1 /*- 2 * SPDX-License-Identifier: BSD-3-Clause 3 * 4 * Copyright (c) 2001-2008, by Cisco Systems, Inc. All rights reserved. 5 * Copyright (c) 2008-2012, by Randall Stewart. All rights reserved. 6 * Copyright (c) 2008-2012, by Michael Tuexen. All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions are met: 10 * 11 * a) Redistributions of source code must retain the above copyright notice, 12 * this list of conditions and the following disclaimer. 13 * 14 * b) Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in 16 * the documentation and/or other materials provided with the distribution. 17 * 18 * c) Neither the name of Cisco Systems, Inc. nor the names of its 19 * contributors may be used to endorse or promote products derived 20 * from this software without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 23 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 24 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 26 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 27 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 28 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 29 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 30 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 31 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 32 * THE POSSIBILITY OF SUCH DAMAGE. 33 */ 34 35 #include <sys/cdefs.h> 36 __FBSDID("$FreeBSD$"); 37 38 #include <netinet/sctp_os.h> 39 #include <sys/proc.h> 40 #include <netinet/sctp_pcb.h> 41 #include <netinet/sctp_header.h> 42 #include <netinet/sctp_var.h> 43 #ifdef INET6 44 #include <netinet6/sctp6_var.h> 45 #endif 46 #include <netinet/sctp_sysctl.h> 47 #include <netinet/sctp_output.h> 48 #include <netinet/sctp_uio.h> 49 #include <netinet/sctp_asconf.h> 50 #include <netinet/sctputil.h> 51 #include <netinet/sctp_indata.h> 52 #include <netinet/sctp_timer.h> 53 #include <netinet/sctp_auth.h> 54 #include <netinet/sctp_bsd_addr.h> 55 #include <netinet/udp.h> 56 #include <sys/eventhandler.h> 57 58 extern const struct sctp_cc_functions sctp_cc_functions[]; 59 extern const struct sctp_ss_functions sctp_ss_functions[]; 60 61 void 62 sctp_init(void) 63 { 64 u_long sb_max_adj; 65 66 /* Initialize and modify the sysctled variables */ 67 sctp_init_sysctls(); 68 if ((nmbclusters / 8) > SCTP_ASOC_MAX_CHUNKS_ON_QUEUE) 69 SCTP_BASE_SYSCTL(sctp_max_chunks_on_queue) = (nmbclusters / 8); 70 /* 71 * Allow a user to take no more than 1/2 the number of clusters or 72 * the SB_MAX, whichever is smaller, for the send window. 73 */ 74 sb_max_adj = (u_long)((u_quad_t)(SB_MAX) * MCLBYTES / (MSIZE + MCLBYTES)); 75 SCTP_BASE_SYSCTL(sctp_sendspace) = min(sb_max_adj, 76 (((uint32_t)nmbclusters / 2) * SCTP_DEFAULT_MAXSEGMENT)); 77 /* 78 * Now for the recv window, should we take the same amount? or 79 * should I do 1/2 the SB_MAX instead in the SB_MAX min above. For 80 * now I will just copy. 81 */ 82 SCTP_BASE_SYSCTL(sctp_recvspace) = SCTP_BASE_SYSCTL(sctp_sendspace); 83 SCTP_BASE_VAR(first_time) = 0; 84 SCTP_BASE_VAR(sctp_pcb_initialized) = 0; 85 sctp_pcb_init(); 86 #if defined(SCTP_PACKET_LOGGING) 87 SCTP_BASE_VAR(packet_log_writers) = 0; 88 SCTP_BASE_VAR(packet_log_end) = 0; 89 memset(&SCTP_BASE_VAR(packet_log_buffer), 0, SCTP_PACKET_LOG_SIZE); 90 #endif 91 SCTP_BASE_VAR(eh_tag) = EVENTHANDLER_REGISTER(rt_addrmsg, 92 sctp_addr_change_event_handler, NULL, EVENTHANDLER_PRI_FIRST); 93 } 94 95 #ifdef VIMAGE 96 static void 97 sctp_finish(void *unused __unused) 98 { 99 EVENTHANDLER_DEREGISTER(rt_addrmsg, SCTP_BASE_VAR(eh_tag)); 100 sctp_pcb_finish(); 101 } 102 103 VNET_SYSUNINIT(sctp, SI_SUB_PROTO_DOMAIN, SI_ORDER_FOURTH, sctp_finish, NULL); 104 #endif 105 106 void 107 sctp_pathmtu_adjustment(struct sctp_tcb *stcb, uint16_t nxtsz) 108 { 109 struct sctp_tmit_chunk *chk; 110 uint16_t overhead; 111 112 /* Adjust that too */ 113 stcb->asoc.smallest_mtu = nxtsz; 114 /* now off to subtract IP_DF flag if needed */ 115 overhead = IP_HDR_SIZE + sizeof(struct sctphdr); 116 if (sctp_auth_is_required_chunk(SCTP_DATA, stcb->asoc.peer_auth_chunks)) { 117 overhead += sctp_get_auth_chunk_len(stcb->asoc.peer_hmac_id); 118 } 119 TAILQ_FOREACH(chk, &stcb->asoc.send_queue, sctp_next) { 120 if ((chk->send_size + overhead) > nxtsz) { 121 chk->flags |= CHUNK_FLAGS_FRAGMENT_OK; 122 } 123 } 124 TAILQ_FOREACH(chk, &stcb->asoc.sent_queue, sctp_next) { 125 if ((chk->send_size + overhead) > nxtsz) { 126 /* 127 * For this guy we also mark for immediate resend 128 * since we sent to big of chunk 129 */ 130 chk->flags |= CHUNK_FLAGS_FRAGMENT_OK; 131 if (chk->sent < SCTP_DATAGRAM_RESEND) { 132 sctp_flight_size_decrease(chk); 133 sctp_total_flight_decrease(stcb, chk); 134 chk->sent = SCTP_DATAGRAM_RESEND; 135 sctp_ucount_incr(stcb->asoc.sent_queue_retran_cnt); 136 chk->rec.data.doing_fast_retransmit = 0; 137 if (SCTP_BASE_SYSCTL(sctp_logging_level) & SCTP_FLIGHT_LOGGING_ENABLE) { 138 sctp_misc_ints(SCTP_FLIGHT_LOG_DOWN_PMTU, 139 chk->whoTo->flight_size, 140 chk->book_size, 141 (uint32_t)(uintptr_t)chk->whoTo, 142 chk->rec.data.tsn); 143 } 144 /* Clear any time so NO RTT is being done */ 145 if (chk->do_rtt == 1) { 146 chk->do_rtt = 0; 147 chk->whoTo->rto_needed = 1; 148 } 149 } 150 } 151 } 152 } 153 154 #ifdef INET 155 void 156 sctp_notify(struct sctp_inpcb *inp, 157 struct sctp_tcb *stcb, 158 struct sctp_nets *net, 159 uint8_t icmp_type, 160 uint8_t icmp_code, 161 uint16_t ip_len, 162 uint32_t next_mtu) 163 { 164 int timer_stopped; 165 166 if (icmp_type != ICMP_UNREACH) { 167 /* We only care about unreachable */ 168 SCTP_TCB_UNLOCK(stcb); 169 return; 170 } 171 if ((icmp_code == ICMP_UNREACH_NET) || 172 (icmp_code == ICMP_UNREACH_HOST) || 173 (icmp_code == ICMP_UNREACH_NET_UNKNOWN) || 174 (icmp_code == ICMP_UNREACH_HOST_UNKNOWN) || 175 (icmp_code == ICMP_UNREACH_ISOLATED) || 176 (icmp_code == ICMP_UNREACH_NET_PROHIB) || 177 (icmp_code == ICMP_UNREACH_HOST_PROHIB) || 178 (icmp_code == ICMP_UNREACH_FILTER_PROHIB)) { 179 /* Mark the net unreachable. */ 180 if (net->dest_state & SCTP_ADDR_REACHABLE) { 181 /* OK, that destination is NOT reachable. */ 182 net->dest_state &= ~SCTP_ADDR_REACHABLE; 183 net->dest_state &= ~SCTP_ADDR_PF; 184 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, 185 stcb, 0, 186 (void *)net, SCTP_SO_NOT_LOCKED); 187 } 188 SCTP_TCB_UNLOCK(stcb); 189 } else if ((icmp_code == ICMP_UNREACH_PROTOCOL) || 190 (icmp_code == ICMP_UNREACH_PORT)) { 191 /* Treat it like an ABORT. */ 192 sctp_abort_notification(stcb, true, false, 0, NULL, SCTP_SO_NOT_LOCKED); 193 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, 194 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_2); 195 /* no need to unlock here, since the TCB is gone */ 196 } else if (icmp_code == ICMP_UNREACH_NEEDFRAG) { 197 if (net->dest_state & SCTP_ADDR_NO_PMTUD) { 198 SCTP_TCB_UNLOCK(stcb); 199 return; 200 } 201 /* Find the next (smaller) MTU */ 202 if (next_mtu == 0) { 203 /* 204 * Old type router that does not tell us what the 205 * next MTU is. Rats we will have to guess (in a 206 * educated fashion of course). 207 */ 208 next_mtu = sctp_get_prev_mtu(ip_len); 209 } 210 /* Stop the PMTU timer. */ 211 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 212 timer_stopped = 1; 213 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 214 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_1); 215 } else { 216 timer_stopped = 0; 217 } 218 /* Update the path MTU. */ 219 if (net->port) { 220 next_mtu -= sizeof(struct udphdr); 221 } 222 if (net->mtu > next_mtu) { 223 net->mtu = next_mtu; 224 if (net->port) { 225 sctp_hc_set_mtu(&net->ro._l_addr, inp->fibnum, next_mtu + sizeof(struct udphdr)); 226 } else { 227 sctp_hc_set_mtu(&net->ro._l_addr, inp->fibnum, next_mtu); 228 } 229 } 230 /* Update the association MTU */ 231 if (stcb->asoc.smallest_mtu > next_mtu) { 232 sctp_pathmtu_adjustment(stcb, next_mtu); 233 } 234 /* Finally, start the PMTU timer if it was running before. */ 235 if (timer_stopped) { 236 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 237 } 238 SCTP_TCB_UNLOCK(stcb); 239 } else { 240 SCTP_TCB_UNLOCK(stcb); 241 } 242 } 243 244 void 245 sctp_ctlinput(int cmd, struct sockaddr *sa, void *vip) 246 { 247 struct ip *outer_ip; 248 struct ip *inner_ip; 249 struct sctphdr *sh; 250 struct icmp *icmp; 251 struct sctp_inpcb *inp; 252 struct sctp_tcb *stcb; 253 struct sctp_nets *net; 254 struct sctp_init_chunk *ch; 255 struct sockaddr_in src, dst; 256 257 if (sa->sa_family != AF_INET || 258 ((struct sockaddr_in *)sa)->sin_addr.s_addr == INADDR_ANY) { 259 return; 260 } 261 if (PRC_IS_REDIRECT(cmd)) { 262 vip = NULL; 263 } else if ((unsigned)cmd >= PRC_NCMDS || inetctlerrmap[cmd] == 0) { 264 return; 265 } 266 if (vip != NULL) { 267 inner_ip = (struct ip *)vip; 268 icmp = (struct icmp *)((caddr_t)inner_ip - 269 (sizeof(struct icmp) - sizeof(struct ip))); 270 outer_ip = (struct ip *)((caddr_t)icmp - sizeof(struct ip)); 271 sh = (struct sctphdr *)((caddr_t)inner_ip + (inner_ip->ip_hl << 2)); 272 memset(&src, 0, sizeof(struct sockaddr_in)); 273 src.sin_family = AF_INET; 274 src.sin_len = sizeof(struct sockaddr_in); 275 src.sin_port = sh->src_port; 276 src.sin_addr = inner_ip->ip_src; 277 memset(&dst, 0, sizeof(struct sockaddr_in)); 278 dst.sin_family = AF_INET; 279 dst.sin_len = sizeof(struct sockaddr_in); 280 dst.sin_port = sh->dest_port; 281 dst.sin_addr = inner_ip->ip_dst; 282 /* 283 * 'dst' holds the dest of the packet that failed to be 284 * sent. 'src' holds our local endpoint address. Thus we 285 * reverse the dst and the src in the lookup. 286 */ 287 inp = NULL; 288 net = NULL; 289 stcb = sctp_findassociation_addr_sa((struct sockaddr *)&dst, 290 (struct sockaddr *)&src, 291 &inp, &net, 1, 292 SCTP_DEFAULT_VRFID); 293 if ((stcb != NULL) && 294 (net != NULL) && 295 (inp != NULL)) { 296 /* Check the verification tag */ 297 if (ntohl(sh->v_tag) != 0) { 298 /* 299 * This must be the verification tag used 300 * for sending out packets. We don't 301 * consider packets reflecting the 302 * verification tag. 303 */ 304 if (ntohl(sh->v_tag) != stcb->asoc.peer_vtag) { 305 SCTP_TCB_UNLOCK(stcb); 306 return; 307 } 308 } else { 309 if (ntohs(outer_ip->ip_len) >= 310 sizeof(struct ip) + 311 8 + (inner_ip->ip_hl << 2) + 20) { 312 /* 313 * In this case we can check if we 314 * got an INIT chunk and if the 315 * initiate tag matches. 316 */ 317 ch = (struct sctp_init_chunk *)(sh + 1); 318 if ((ch->ch.chunk_type != SCTP_INITIATION) || 319 (ntohl(ch->init.initiate_tag) != stcb->asoc.my_vtag)) { 320 SCTP_TCB_UNLOCK(stcb); 321 return; 322 } 323 } else { 324 SCTP_TCB_UNLOCK(stcb); 325 return; 326 } 327 } 328 sctp_notify(inp, stcb, net, 329 icmp->icmp_type, 330 icmp->icmp_code, 331 ntohs(inner_ip->ip_len), 332 (uint32_t)ntohs(icmp->icmp_nextmtu)); 333 } else { 334 if ((stcb == NULL) && (inp != NULL)) { 335 /* reduce ref-count */ 336 SCTP_INP_WLOCK(inp); 337 SCTP_INP_DECR_REF(inp); 338 SCTP_INP_WUNLOCK(inp); 339 } 340 if (stcb) { 341 SCTP_TCB_UNLOCK(stcb); 342 } 343 } 344 } 345 return; 346 } 347 #endif 348 349 static int 350 sctp_getcred(SYSCTL_HANDLER_ARGS) 351 { 352 struct xucred xuc; 353 struct sockaddr_in addrs[2]; 354 struct sctp_inpcb *inp; 355 struct sctp_nets *net; 356 struct sctp_tcb *stcb; 357 int error; 358 uint32_t vrf_id; 359 360 /* FIX, for non-bsd is this right? */ 361 vrf_id = SCTP_DEFAULT_VRFID; 362 363 error = priv_check(req->td, PRIV_NETINET_GETCRED); 364 365 if (error) 366 return (error); 367 368 error = SYSCTL_IN(req, addrs, sizeof(addrs)); 369 if (error) 370 return (error); 371 372 stcb = sctp_findassociation_addr_sa(sintosa(&addrs[1]), 373 sintosa(&addrs[0]), 374 &inp, &net, 1, vrf_id); 375 if (stcb == NULL || inp == NULL || inp->sctp_socket == NULL) { 376 if ((inp != NULL) && (stcb == NULL)) { 377 /* reduce ref-count */ 378 SCTP_INP_WLOCK(inp); 379 SCTP_INP_DECR_REF(inp); 380 goto cred_can_cont; 381 } 382 383 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 384 error = ENOENT; 385 goto out; 386 } 387 SCTP_TCB_UNLOCK(stcb); 388 /* 389 * We use the write lock here, only since in the error leg we need 390 * it. If we used RLOCK, then we would have to 391 * wlock/decr/unlock/rlock. Which in theory could create a hole. 392 * Better to use higher wlock. 393 */ 394 SCTP_INP_WLOCK(inp); 395 cred_can_cont: 396 error = cr_canseesocket(req->td->td_ucred, inp->sctp_socket); 397 if (error) { 398 SCTP_INP_WUNLOCK(inp); 399 goto out; 400 } 401 cru2x(inp->sctp_socket->so_cred, &xuc); 402 SCTP_INP_WUNLOCK(inp); 403 error = SYSCTL_OUT(req, &xuc, sizeof(struct xucred)); 404 out: 405 return (error); 406 } 407 408 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, getcred, 409 CTLTYPE_OPAQUE | CTLFLAG_RW | CTLFLAG_NEEDGIANT, 410 0, 0, sctp_getcred, "S,ucred", 411 "Get the ucred of a SCTP connection"); 412 413 #ifdef INET 414 static void 415 sctp_abort(struct socket *so) 416 { 417 struct epoch_tracker et; 418 struct sctp_inpcb *inp; 419 420 inp = (struct sctp_inpcb *)so->so_pcb; 421 if (inp == NULL) { 422 return; 423 } 424 425 SCTP_INP_WLOCK(inp); 426 NET_EPOCH_ENTER(et); 427 #ifdef SCTP_LOG_CLOSING 428 sctp_log_closing(inp, NULL, 17); 429 #endif 430 if (((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0)) { 431 inp->sctp_flags |= SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP; 432 #ifdef SCTP_LOG_CLOSING 433 sctp_log_closing(inp, NULL, 16); 434 #endif 435 SCTP_INP_WUNLOCK(inp); 436 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_ABORT, 437 SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 438 SOCK_LOCK(so); 439 SCTP_SB_CLEAR(so->so_snd); 440 /* 441 * same for the rcv ones, they are only here for the 442 * accounting/select. 443 */ 444 SCTP_SB_CLEAR(so->so_rcv); 445 446 /* Now null out the reference, we are completely detached. */ 447 so->so_pcb = NULL; 448 SOCK_UNLOCK(so); 449 } else { 450 SCTP_INP_WUNLOCK(inp); 451 } 452 NET_EPOCH_EXIT(et); 453 } 454 455 static int 456 sctp_attach(struct socket *so, int proto SCTP_UNUSED, struct thread *p SCTP_UNUSED) 457 { 458 struct sctp_inpcb *inp; 459 struct inpcb *ip_inp; 460 int error; 461 uint32_t vrf_id = SCTP_DEFAULT_VRFID; 462 463 inp = (struct sctp_inpcb *)so->so_pcb; 464 if (inp != NULL) { 465 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 466 return (EINVAL); 467 } 468 if (so->so_snd.sb_hiwat == 0 || so->so_rcv.sb_hiwat == 0) { 469 error = SCTP_SORESERVE(so, SCTP_BASE_SYSCTL(sctp_sendspace), SCTP_BASE_SYSCTL(sctp_recvspace)); 470 if (error) { 471 return (error); 472 } 473 } 474 error = sctp_inpcb_alloc(so, vrf_id); 475 if (error) { 476 return (error); 477 } 478 inp = (struct sctp_inpcb *)so->so_pcb; 479 SCTP_INP_WLOCK(inp); 480 inp->sctp_flags &= ~SCTP_PCB_FLAGS_BOUND_V6; /* I'm not v6! */ 481 ip_inp = &inp->ip_inp.inp; 482 ip_inp->inp_vflag |= INP_IPV4; 483 ip_inp->inp_ip_ttl = MODULE_GLOBAL(ip_defttl); 484 SCTP_INP_WUNLOCK(inp); 485 return (0); 486 } 487 488 static int 489 sctp_bind(struct socket *so, struct sockaddr *addr, struct thread *p) 490 { 491 struct sctp_inpcb *inp; 492 493 inp = (struct sctp_inpcb *)so->so_pcb; 494 if (inp == NULL) { 495 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 496 return (EINVAL); 497 } 498 if (addr != NULL) { 499 if ((addr->sa_family != AF_INET) || 500 (addr->sa_len != sizeof(struct sockaddr_in))) { 501 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 502 return (EINVAL); 503 } 504 } 505 return (sctp_inpcb_bind(so, addr, NULL, p)); 506 } 507 508 #endif 509 void 510 sctp_close(struct socket *so) 511 { 512 struct epoch_tracker et; 513 struct sctp_inpcb *inp; 514 515 inp = (struct sctp_inpcb *)so->so_pcb; 516 if (inp == NULL) 517 return; 518 519 /* 520 * Inform all the lower layer assoc that we are done. 521 */ 522 SCTP_INP_WLOCK(inp); 523 NET_EPOCH_ENTER(et); 524 #ifdef SCTP_LOG_CLOSING 525 sctp_log_closing(inp, NULL, 17); 526 #endif 527 if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) { 528 inp->sctp_flags |= SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP; 529 if (((so->so_options & SO_LINGER) && (so->so_linger == 0)) || 530 (so->so_rcv.sb_cc > 0)) { 531 #ifdef SCTP_LOG_CLOSING 532 sctp_log_closing(inp, NULL, 13); 533 #endif 534 SCTP_INP_WUNLOCK(inp); 535 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_ABORT, 536 SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 537 } else { 538 #ifdef SCTP_LOG_CLOSING 539 sctp_log_closing(inp, NULL, 14); 540 #endif 541 SCTP_INP_WUNLOCK(inp); 542 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_GRACEFUL_CLOSE, 543 SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 544 } 545 /* 546 * The socket is now detached, no matter what the state of 547 * the SCTP association. 548 */ 549 SOCK_LOCK(so); 550 SCTP_SB_CLEAR(so->so_snd); 551 /* 552 * same for the rcv ones, they are only here for the 553 * accounting/select. 554 */ 555 SCTP_SB_CLEAR(so->so_rcv); 556 557 /* Now null out the reference, we are completely detached. */ 558 so->so_pcb = NULL; 559 SOCK_UNLOCK(so); 560 } else { 561 SCTP_INP_WUNLOCK(inp); 562 } 563 NET_EPOCH_EXIT(et); 564 } 565 566 int 567 sctp_sendm(struct socket *so, int flags, struct mbuf *m, struct sockaddr *addr, 568 struct mbuf *control, struct thread *p); 569 570 int 571 sctp_sendm(struct socket *so, int flags, struct mbuf *m, struct sockaddr *addr, 572 struct mbuf *control, struct thread *p) 573 { 574 struct sctp_inpcb *inp; 575 int error; 576 577 inp = (struct sctp_inpcb *)so->so_pcb; 578 if (inp == NULL) { 579 if (control) { 580 sctp_m_freem(control); 581 control = NULL; 582 } 583 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 584 sctp_m_freem(m); 585 return (EINVAL); 586 } 587 /* Got to have an to address if we are NOT a connected socket */ 588 if ((addr == NULL) && 589 ((inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) || 590 (inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE))) { 591 goto connected_type; 592 } 593 594 error = 0; 595 if (addr == NULL) { 596 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EDESTADDRREQ); 597 error = EDESTADDRREQ; 598 } else if (addr->sa_family != AF_INET) { 599 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EAFNOSUPPORT); 600 error = EAFNOSUPPORT; 601 } else if (addr->sa_len != sizeof(struct sockaddr_in)) { 602 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 603 error = EINVAL; 604 } 605 if (error != 0) { 606 sctp_m_freem(m); 607 if (control) { 608 sctp_m_freem(control); 609 control = NULL; 610 } 611 return (error); 612 } 613 connected_type: 614 /* now what about control */ 615 if (control) { 616 if (inp->control) { 617 sctp_m_freem(inp->control); 618 inp->control = NULL; 619 } 620 inp->control = control; 621 } 622 /* Place the data */ 623 if (inp->pkt) { 624 SCTP_BUF_NEXT(inp->pkt_last) = m; 625 inp->pkt_last = m; 626 } else { 627 inp->pkt_last = inp->pkt = m; 628 } 629 if ( 630 /* FreeBSD uses a flag passed */ 631 ((flags & PRUS_MORETOCOME) == 0) 632 ) { 633 /* 634 * note with the current version this code will only be used 635 * by OpenBSD-- NetBSD, FreeBSD, and MacOS have methods for 636 * re-defining sosend to use the sctp_sosend. One can 637 * optionally switch back to this code (by changing back the 638 * definitions) but this is not advisable. This code is used 639 * by FreeBSD when sending a file with sendfile() though. 640 */ 641 struct epoch_tracker et; 642 int ret; 643 644 NET_EPOCH_ENTER(et); 645 ret = sctp_output(inp, inp->pkt, addr, inp->control, p, flags); 646 NET_EPOCH_EXIT(et); 647 inp->pkt = NULL; 648 inp->control = NULL; 649 return (ret); 650 } else { 651 return (0); 652 } 653 } 654 655 int 656 sctp_disconnect(struct socket *so) 657 { 658 struct sctp_inpcb *inp; 659 660 inp = (struct sctp_inpcb *)so->so_pcb; 661 if (inp == NULL) { 662 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 663 return (ENOTCONN); 664 } 665 SCTP_INP_RLOCK(inp); 666 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 667 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 668 if (LIST_EMPTY(&inp->sctp_asoc_list)) { 669 /* No connection */ 670 SCTP_INP_RUNLOCK(inp); 671 return (0); 672 } else { 673 struct epoch_tracker et; 674 struct sctp_association *asoc; 675 struct sctp_tcb *stcb; 676 677 stcb = LIST_FIRST(&inp->sctp_asoc_list); 678 if (stcb == NULL) { 679 SCTP_INP_RUNLOCK(inp); 680 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 681 return (EINVAL); 682 } 683 SCTP_TCB_LOCK(stcb); 684 asoc = &stcb->asoc; 685 if (stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) { 686 /* We are about to be freed, out of here */ 687 SCTP_TCB_UNLOCK(stcb); 688 SCTP_INP_RUNLOCK(inp); 689 return (0); 690 } 691 NET_EPOCH_ENTER(et); 692 if (((so->so_options & SO_LINGER) && 693 (so->so_linger == 0)) || 694 (so->so_rcv.sb_cc > 0)) { 695 if (SCTP_GET_STATE(stcb) != SCTP_STATE_COOKIE_WAIT) { 696 /* Left with Data unread */ 697 struct mbuf *op_err; 698 699 op_err = sctp_generate_cause(SCTP_CAUSE_USER_INITIATED_ABT, ""); 700 sctp_send_abort_tcb(stcb, op_err, SCTP_SO_LOCKED); 701 SCTP_STAT_INCR_COUNTER32(sctps_aborted); 702 } 703 SCTP_INP_RUNLOCK(inp); 704 if ((SCTP_GET_STATE(stcb) == SCTP_STATE_OPEN) || 705 (SCTP_GET_STATE(stcb) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 706 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 707 } 708 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, 709 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_3); 710 /* No unlock tcb assoc is gone */ 711 NET_EPOCH_EXIT(et); 712 return (0); 713 } 714 if (TAILQ_EMPTY(&asoc->send_queue) && 715 TAILQ_EMPTY(&asoc->sent_queue) && 716 (asoc->stream_queue_cnt == 0)) { 717 /* there is nothing queued to send, so done */ 718 if ((*asoc->ss_functions.sctp_ss_is_user_msgs_incomplete) (stcb, asoc)) { 719 goto abort_anyway; 720 } 721 if ((SCTP_GET_STATE(stcb) != SCTP_STATE_SHUTDOWN_SENT) && 722 (SCTP_GET_STATE(stcb) != SCTP_STATE_SHUTDOWN_ACK_SENT)) { 723 /* only send SHUTDOWN 1st time thru */ 724 struct sctp_nets *netp; 725 726 if ((SCTP_GET_STATE(stcb) == SCTP_STATE_OPEN) || 727 (SCTP_GET_STATE(stcb) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 728 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 729 } 730 SCTP_SET_STATE(stcb, SCTP_STATE_SHUTDOWN_SENT); 731 sctp_stop_timers_for_shutdown(stcb); 732 if (stcb->asoc.alternate) { 733 netp = stcb->asoc.alternate; 734 } else { 735 netp = stcb->asoc.primary_destination; 736 } 737 sctp_send_shutdown(stcb, netp); 738 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWN, 739 stcb->sctp_ep, stcb, netp); 740 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, 741 stcb->sctp_ep, stcb, NULL); 742 sctp_chunk_output(stcb->sctp_ep, stcb, SCTP_OUTPUT_FROM_T3, SCTP_SO_LOCKED); 743 } 744 } else { 745 /* 746 * we still got (or just got) data to send, 747 * so set SHUTDOWN_PENDING 748 */ 749 /* 750 * XXX sockets draft says that SCTP_EOF 751 * should be sent with no data. currently, 752 * we will allow user data to be sent first 753 * and move to SHUTDOWN-PENDING 754 */ 755 SCTP_ADD_SUBSTATE(stcb, SCTP_STATE_SHUTDOWN_PENDING); 756 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, stcb->sctp_ep, stcb, NULL); 757 if ((*asoc->ss_functions.sctp_ss_is_user_msgs_incomplete) (stcb, asoc)) { 758 SCTP_ADD_SUBSTATE(stcb, SCTP_STATE_PARTIAL_MSG_LEFT); 759 } 760 if (TAILQ_EMPTY(&asoc->send_queue) && 761 TAILQ_EMPTY(&asoc->sent_queue) && 762 (asoc->state & SCTP_STATE_PARTIAL_MSG_LEFT)) { 763 struct mbuf *op_err; 764 765 abort_anyway: 766 op_err = sctp_generate_cause(SCTP_CAUSE_USER_INITIATED_ABT, ""); 767 stcb->sctp_ep->last_abort_code = SCTP_FROM_SCTP_USRREQ + SCTP_LOC_4; 768 sctp_send_abort_tcb(stcb, op_err, SCTP_SO_LOCKED); 769 SCTP_STAT_INCR_COUNTER32(sctps_aborted); 770 if ((SCTP_GET_STATE(stcb) == SCTP_STATE_OPEN) || 771 (SCTP_GET_STATE(stcb) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 772 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 773 } 774 SCTP_INP_RUNLOCK(inp); 775 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, 776 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_5); 777 NET_EPOCH_EXIT(et); 778 return (0); 779 } else { 780 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_CLOSING, SCTP_SO_LOCKED); 781 } 782 } 783 soisdisconnecting(so); 784 NET_EPOCH_EXIT(et); 785 SCTP_TCB_UNLOCK(stcb); 786 SCTP_INP_RUNLOCK(inp); 787 return (0); 788 } 789 /* not reached */ 790 } else { 791 /* UDP model does not support this */ 792 SCTP_INP_RUNLOCK(inp); 793 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 794 return (EOPNOTSUPP); 795 } 796 } 797 798 int 799 sctp_flush(struct socket *so, int how) 800 { 801 /* 802 * We will just clear out the values and let subsequent close clear 803 * out the data, if any. Note if the user did a shutdown(SHUT_RD) 804 * they will not be able to read the data, the socket will block 805 * that from happening. 806 */ 807 struct sctp_inpcb *inp; 808 809 inp = (struct sctp_inpcb *)so->so_pcb; 810 if (inp == NULL) { 811 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 812 return (EINVAL); 813 } 814 SCTP_INP_RLOCK(inp); 815 /* For the 1 to many model this does nothing */ 816 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 817 SCTP_INP_RUNLOCK(inp); 818 return (0); 819 } 820 SCTP_INP_RUNLOCK(inp); 821 if ((how == PRU_FLUSH_RD) || (how == PRU_FLUSH_RDWR)) { 822 /* 823 * First make sure the sb will be happy, we don't use these 824 * except maybe the count 825 */ 826 SCTP_INP_WLOCK(inp); 827 SCTP_INP_READ_LOCK(inp); 828 inp->sctp_flags |= SCTP_PCB_FLAGS_SOCKET_CANT_READ; 829 SCTP_INP_READ_UNLOCK(inp); 830 SCTP_INP_WUNLOCK(inp); 831 so->so_rcv.sb_cc = 0; 832 so->so_rcv.sb_mbcnt = 0; 833 so->so_rcv.sb_mb = NULL; 834 } 835 if ((how == PRU_FLUSH_WR) || (how == PRU_FLUSH_RDWR)) { 836 /* 837 * First make sure the sb will be happy, we don't use these 838 * except maybe the count 839 */ 840 so->so_snd.sb_cc = 0; 841 so->so_snd.sb_mbcnt = 0; 842 so->so_snd.sb_mb = NULL; 843 } 844 return (0); 845 } 846 847 int 848 sctp_shutdown(struct socket *so) 849 { 850 struct sctp_inpcb *inp; 851 852 inp = (struct sctp_inpcb *)so->so_pcb; 853 if (inp == NULL) { 854 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 855 return (EINVAL); 856 } 857 SCTP_INP_RLOCK(inp); 858 /* For UDP model this is a invalid call */ 859 if (!((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 860 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL))) { 861 /* Restore the flags that the soshutdown took away. */ 862 SOCKBUF_LOCK(&so->so_rcv); 863 so->so_rcv.sb_state &= ~SBS_CANTRCVMORE; 864 SOCKBUF_UNLOCK(&so->so_rcv); 865 /* This proc will wakeup for read and do nothing (I hope) */ 866 SCTP_INP_RUNLOCK(inp); 867 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 868 return (EOPNOTSUPP); 869 } else { 870 /* 871 * Ok, if we reach here its the TCP model and it is either a 872 * SHUT_WR or SHUT_RDWR. This means we put the shutdown flag 873 * against it. 874 */ 875 struct epoch_tracker et; 876 struct sctp_tcb *stcb; 877 struct sctp_association *asoc; 878 struct sctp_nets *netp; 879 880 if ((so->so_state & 881 (SS_ISCONNECTED | SS_ISCONNECTING | SS_ISDISCONNECTING)) == 0) { 882 SCTP_INP_RUNLOCK(inp); 883 return (ENOTCONN); 884 } 885 socantsendmore(so); 886 887 stcb = LIST_FIRST(&inp->sctp_asoc_list); 888 if (stcb == NULL) { 889 /* 890 * Ok, we hit the case that the shutdown call was 891 * made after an abort or something. Nothing to do 892 * now. 893 */ 894 SCTP_INP_RUNLOCK(inp); 895 return (0); 896 } 897 SCTP_TCB_LOCK(stcb); 898 asoc = &stcb->asoc; 899 if (asoc->state & SCTP_STATE_ABOUT_TO_BE_FREED) { 900 SCTP_TCB_UNLOCK(stcb); 901 SCTP_INP_RUNLOCK(inp); 902 return (0); 903 } 904 if ((SCTP_GET_STATE(stcb) != SCTP_STATE_COOKIE_WAIT) && 905 (SCTP_GET_STATE(stcb) != SCTP_STATE_COOKIE_ECHOED) && 906 (SCTP_GET_STATE(stcb) != SCTP_STATE_OPEN)) { 907 /* 908 * If we are not in or before ESTABLISHED, there is 909 * no protocol action required. 910 */ 911 SCTP_TCB_UNLOCK(stcb); 912 SCTP_INP_RUNLOCK(inp); 913 return (0); 914 } 915 NET_EPOCH_ENTER(et); 916 if (stcb->asoc.alternate) { 917 netp = stcb->asoc.alternate; 918 } else { 919 netp = stcb->asoc.primary_destination; 920 } 921 if ((SCTP_GET_STATE(stcb) == SCTP_STATE_OPEN) && 922 TAILQ_EMPTY(&asoc->send_queue) && 923 TAILQ_EMPTY(&asoc->sent_queue) && 924 (asoc->stream_queue_cnt == 0)) { 925 if ((*asoc->ss_functions.sctp_ss_is_user_msgs_incomplete) (stcb, asoc)) { 926 goto abort_anyway; 927 } 928 /* there is nothing queued to send, so I'm done... */ 929 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 930 SCTP_SET_STATE(stcb, SCTP_STATE_SHUTDOWN_SENT); 931 sctp_stop_timers_for_shutdown(stcb); 932 sctp_send_shutdown(stcb, netp); 933 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWN, 934 stcb->sctp_ep, stcb, netp); 935 } else { 936 /* 937 * We still got (or just got) data to send, so set 938 * SHUTDOWN_PENDING. 939 */ 940 SCTP_ADD_SUBSTATE(stcb, SCTP_STATE_SHUTDOWN_PENDING); 941 if ((*asoc->ss_functions.sctp_ss_is_user_msgs_incomplete) (stcb, asoc)) { 942 SCTP_ADD_SUBSTATE(stcb, SCTP_STATE_PARTIAL_MSG_LEFT); 943 } 944 if (TAILQ_EMPTY(&asoc->send_queue) && 945 TAILQ_EMPTY(&asoc->sent_queue) && 946 (asoc->state & SCTP_STATE_PARTIAL_MSG_LEFT)) { 947 struct mbuf *op_err; 948 949 abort_anyway: 950 op_err = sctp_generate_cause(SCTP_CAUSE_USER_INITIATED_ABT, ""); 951 stcb->sctp_ep->last_abort_code = SCTP_FROM_SCTP_USRREQ + SCTP_LOC_6; 952 SCTP_INP_RUNLOCK(inp); 953 sctp_abort_an_association(stcb->sctp_ep, stcb, 954 op_err, false, SCTP_SO_LOCKED); 955 NET_EPOCH_EXIT(et); 956 return (0); 957 } 958 } 959 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, stcb->sctp_ep, stcb, NULL); 960 /* 961 * XXX: Why do this in the case where we have still data 962 * queued? 963 */ 964 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_CLOSING, SCTP_SO_LOCKED); 965 SCTP_TCB_UNLOCK(stcb); 966 SCTP_INP_RUNLOCK(inp); 967 NET_EPOCH_EXIT(et); 968 return (0); 969 } 970 } 971 972 /* 973 * copies a "user" presentable address and removes embedded scope, etc. 974 * returns 0 on success, 1 on error 975 */ 976 static uint32_t 977 sctp_fill_user_address(struct sockaddr *dst, struct sockaddr *src) 978 { 979 #ifdef INET6 980 struct sockaddr_in6 lsa6; 981 982 src = (struct sockaddr *)sctp_recover_scope((struct sockaddr_in6 *)src, 983 &lsa6); 984 #endif 985 memcpy(dst, src, src->sa_len); 986 return (0); 987 } 988 989 static size_t 990 sctp_fill_up_addresses_vrf(struct sctp_inpcb *inp, 991 struct sctp_tcb *stcb, 992 size_t limit, 993 struct sockaddr *addr, 994 uint32_t vrf_id) 995 { 996 struct sctp_ifn *sctp_ifn; 997 struct sctp_ifa *sctp_ifa; 998 size_t actual; 999 int loopback_scope; 1000 #if defined(INET) 1001 int ipv4_local_scope, ipv4_addr_legal; 1002 #endif 1003 #if defined(INET6) 1004 int local_scope, site_scope, ipv6_addr_legal; 1005 #endif 1006 struct sctp_vrf *vrf; 1007 1008 SCTP_IPI_ADDR_LOCK_ASSERT(); 1009 actual = 0; 1010 if (limit == 0) 1011 return (actual); 1012 1013 if (stcb) { 1014 /* Turn on all the appropriate scope */ 1015 loopback_scope = stcb->asoc.scope.loopback_scope; 1016 #if defined(INET) 1017 ipv4_local_scope = stcb->asoc.scope.ipv4_local_scope; 1018 ipv4_addr_legal = stcb->asoc.scope.ipv4_addr_legal; 1019 #endif 1020 #if defined(INET6) 1021 local_scope = stcb->asoc.scope.local_scope; 1022 site_scope = stcb->asoc.scope.site_scope; 1023 ipv6_addr_legal = stcb->asoc.scope.ipv6_addr_legal; 1024 #endif 1025 } else { 1026 /* Use generic values for endpoints. */ 1027 loopback_scope = 1; 1028 #if defined(INET) 1029 ipv4_local_scope = 1; 1030 #endif 1031 #if defined(INET6) 1032 local_scope = 1; 1033 site_scope = 1; 1034 #endif 1035 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 1036 #if defined(INET6) 1037 ipv6_addr_legal = 1; 1038 #endif 1039 #if defined(INET) 1040 if (SCTP_IPV6_V6ONLY(inp)) { 1041 ipv4_addr_legal = 0; 1042 } else { 1043 ipv4_addr_legal = 1; 1044 } 1045 #endif 1046 } else { 1047 #if defined(INET6) 1048 ipv6_addr_legal = 0; 1049 #endif 1050 #if defined(INET) 1051 ipv4_addr_legal = 1; 1052 #endif 1053 } 1054 } 1055 vrf = sctp_find_vrf(vrf_id); 1056 if (vrf == NULL) { 1057 return (0); 1058 } 1059 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1060 LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) { 1061 if ((loopback_scope == 0) && 1062 SCTP_IFN_IS_IFT_LOOP(sctp_ifn)) { 1063 /* Skip loopback if loopback_scope not set */ 1064 continue; 1065 } 1066 LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) { 1067 if (stcb) { 1068 /* 1069 * For the BOUND-ALL case, the list 1070 * associated with a TCB is Always 1071 * considered a reverse list.. i.e. 1072 * it lists addresses that are NOT 1073 * part of the association. If this 1074 * is one of those we must skip it. 1075 */ 1076 if (sctp_is_addr_restricted(stcb, 1077 sctp_ifa)) { 1078 continue; 1079 } 1080 } 1081 switch (sctp_ifa->address.sa.sa_family) { 1082 #ifdef INET 1083 case AF_INET: 1084 if (ipv4_addr_legal) { 1085 struct sockaddr_in *sin; 1086 1087 sin = &sctp_ifa->address.sin; 1088 if (sin->sin_addr.s_addr == 0) { 1089 /* 1090 * we skip 1091 * unspecifed 1092 * addresses 1093 */ 1094 continue; 1095 } 1096 if (prison_check_ip4(inp->ip_inp.inp.inp_cred, 1097 &sin->sin_addr) != 0) { 1098 continue; 1099 } 1100 if ((ipv4_local_scope == 0) && 1101 (IN4_ISPRIVATE_ADDRESS(&sin->sin_addr))) { 1102 continue; 1103 } 1104 #ifdef INET6 1105 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 1106 if (actual + sizeof(struct sockaddr_in6) > limit) { 1107 return (actual); 1108 } 1109 in6_sin_2_v4mapsin6(sin, (struct sockaddr_in6 *)addr); 1110 ((struct sockaddr_in6 *)addr)->sin6_port = inp->sctp_lport; 1111 addr = (struct sockaddr *)((caddr_t)addr + sizeof(struct sockaddr_in6)); 1112 actual += sizeof(struct sockaddr_in6); 1113 } else { 1114 #endif 1115 if (actual + sizeof(struct sockaddr_in) > limit) { 1116 return (actual); 1117 } 1118 memcpy(addr, sin, sizeof(struct sockaddr_in)); 1119 ((struct sockaddr_in *)addr)->sin_port = inp->sctp_lport; 1120 addr = (struct sockaddr *)((caddr_t)addr + sizeof(struct sockaddr_in)); 1121 actual += sizeof(struct sockaddr_in); 1122 #ifdef INET6 1123 } 1124 #endif 1125 } else { 1126 continue; 1127 } 1128 break; 1129 #endif 1130 #ifdef INET6 1131 case AF_INET6: 1132 if (ipv6_addr_legal) { 1133 struct sockaddr_in6 *sin6; 1134 1135 sin6 = &sctp_ifa->address.sin6; 1136 if (IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 1137 /* 1138 * we skip 1139 * unspecifed 1140 * addresses 1141 */ 1142 continue; 1143 } 1144 if (prison_check_ip6(inp->ip_inp.inp.inp_cred, 1145 &sin6->sin6_addr) != 0) { 1146 continue; 1147 } 1148 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) { 1149 if (local_scope == 0) 1150 continue; 1151 if (sin6->sin6_scope_id == 0) { 1152 if (sa6_recoverscope(sin6) != 0) 1153 /* 1154 * 1155 * bad 1156 * link 1157 * 1158 * local 1159 * 1160 * address 1161 */ 1162 continue; 1163 } 1164 } 1165 if ((site_scope == 0) && 1166 (IN6_IS_ADDR_SITELOCAL(&sin6->sin6_addr))) { 1167 continue; 1168 } 1169 if (actual + sizeof(struct sockaddr_in6) > limit) { 1170 return (actual); 1171 } 1172 memcpy(addr, sin6, sizeof(struct sockaddr_in6)); 1173 ((struct sockaddr_in6 *)addr)->sin6_port = inp->sctp_lport; 1174 addr = (struct sockaddr *)((caddr_t)addr + sizeof(struct sockaddr_in6)); 1175 actual += sizeof(struct sockaddr_in6); 1176 } else { 1177 continue; 1178 } 1179 break; 1180 #endif 1181 default: 1182 /* TSNH */ 1183 break; 1184 } 1185 } 1186 } 1187 } else { 1188 struct sctp_laddr *laddr; 1189 size_t sa_len; 1190 1191 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 1192 if (stcb) { 1193 if (sctp_is_addr_restricted(stcb, laddr->ifa)) { 1194 continue; 1195 } 1196 } 1197 sa_len = laddr->ifa->address.sa.sa_len; 1198 if (actual + sa_len > limit) { 1199 return (actual); 1200 } 1201 if (sctp_fill_user_address(addr, &laddr->ifa->address.sa)) 1202 continue; 1203 switch (laddr->ifa->address.sa.sa_family) { 1204 #ifdef INET 1205 case AF_INET: 1206 ((struct sockaddr_in *)addr)->sin_port = inp->sctp_lport; 1207 break; 1208 #endif 1209 #ifdef INET6 1210 case AF_INET6: 1211 ((struct sockaddr_in6 *)addr)->sin6_port = inp->sctp_lport; 1212 break; 1213 #endif 1214 default: 1215 /* TSNH */ 1216 break; 1217 } 1218 addr = (struct sockaddr *)((caddr_t)addr + sa_len); 1219 actual += sa_len; 1220 } 1221 } 1222 return (actual); 1223 } 1224 1225 static size_t 1226 sctp_fill_up_addresses(struct sctp_inpcb *inp, 1227 struct sctp_tcb *stcb, 1228 size_t limit, 1229 struct sockaddr *addr) 1230 { 1231 size_t size; 1232 1233 SCTP_IPI_ADDR_RLOCK(); 1234 /* fill up addresses for the endpoint's default vrf */ 1235 size = sctp_fill_up_addresses_vrf(inp, stcb, limit, addr, 1236 inp->def_vrf_id); 1237 SCTP_IPI_ADDR_RUNLOCK(); 1238 return (size); 1239 } 1240 1241 static size_t 1242 sctp_max_size_addresses_vrf(struct sctp_inpcb *inp, uint32_t vrf_id) 1243 { 1244 struct sctp_vrf *vrf; 1245 size_t size; 1246 1247 /* 1248 * In both sub-set bound an bound_all cases we return the size of 1249 * the maximum number of addresses that you could get. In reality 1250 * the sub-set bound may have an exclusion list for a given TCB or 1251 * in the bound-all case a TCB may NOT include the loopback or other 1252 * addresses as well. 1253 */ 1254 SCTP_IPI_ADDR_LOCK_ASSERT(); 1255 vrf = sctp_find_vrf(vrf_id); 1256 if (vrf == NULL) { 1257 return (0); 1258 } 1259 size = 0; 1260 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1261 struct sctp_ifn *sctp_ifn; 1262 struct sctp_ifa *sctp_ifa; 1263 1264 LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) { 1265 LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) { 1266 /* Count them if they are the right type */ 1267 switch (sctp_ifa->address.sa.sa_family) { 1268 #ifdef INET 1269 case AF_INET: 1270 #ifdef INET6 1271 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) 1272 size += sizeof(struct sockaddr_in6); 1273 else 1274 size += sizeof(struct sockaddr_in); 1275 #else 1276 size += sizeof(struct sockaddr_in); 1277 #endif 1278 break; 1279 #endif 1280 #ifdef INET6 1281 case AF_INET6: 1282 size += sizeof(struct sockaddr_in6); 1283 break; 1284 #endif 1285 default: 1286 break; 1287 } 1288 } 1289 } 1290 } else { 1291 struct sctp_laddr *laddr; 1292 1293 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 1294 switch (laddr->ifa->address.sa.sa_family) { 1295 #ifdef INET 1296 case AF_INET: 1297 #ifdef INET6 1298 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) 1299 size += sizeof(struct sockaddr_in6); 1300 else 1301 size += sizeof(struct sockaddr_in); 1302 #else 1303 size += sizeof(struct sockaddr_in); 1304 #endif 1305 break; 1306 #endif 1307 #ifdef INET6 1308 case AF_INET6: 1309 size += sizeof(struct sockaddr_in6); 1310 break; 1311 #endif 1312 default: 1313 break; 1314 } 1315 } 1316 } 1317 return (size); 1318 } 1319 1320 static size_t 1321 sctp_max_size_addresses(struct sctp_inpcb *inp) 1322 { 1323 size_t size; 1324 1325 SCTP_IPI_ADDR_RLOCK(); 1326 /* Maximum size of all addresses for the endpoint's default VRF */ 1327 size = sctp_max_size_addresses_vrf(inp, inp->def_vrf_id); 1328 SCTP_IPI_ADDR_RUNLOCK(); 1329 return (size); 1330 } 1331 1332 static int 1333 sctp_do_connect_x(struct socket *so, struct sctp_inpcb *inp, void *optval, 1334 size_t optsize, void *p, int delay) 1335 { 1336 int error; 1337 int creat_lock_on = 0; 1338 struct sctp_tcb *stcb = NULL; 1339 struct sockaddr *sa; 1340 unsigned int num_v6 = 0, num_v4 = 0, *totaddrp, totaddr; 1341 uint32_t vrf_id; 1342 sctp_assoc_t *a_id; 1343 1344 SCTPDBG(SCTP_DEBUG_PCB1, "Connectx called\n"); 1345 1346 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 1347 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 1348 /* We are already connected AND the TCP model */ 1349 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 1350 return (EADDRINUSE); 1351 } 1352 1353 if ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) && 1354 (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE))) { 1355 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1356 return (EINVAL); 1357 } 1358 1359 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 1360 SCTP_INP_RLOCK(inp); 1361 stcb = LIST_FIRST(&inp->sctp_asoc_list); 1362 SCTP_INP_RUNLOCK(inp); 1363 } 1364 if (stcb) { 1365 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 1366 return (EALREADY); 1367 } 1368 SCTP_INP_INCR_REF(inp); 1369 SCTP_ASOC_CREATE_LOCK(inp); 1370 creat_lock_on = 1; 1371 if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) || 1372 (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) { 1373 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EFAULT); 1374 error = EFAULT; 1375 goto out_now; 1376 } 1377 totaddrp = (unsigned int *)optval; 1378 totaddr = *totaddrp; 1379 sa = (struct sockaddr *)(totaddrp + 1); 1380 error = sctp_connectx_helper_find(inp, sa, totaddr, &num_v4, &num_v6, (unsigned int)(optsize - sizeof(int))); 1381 if (error != 0) { 1382 /* Already have or am bring up an association */ 1383 SCTP_ASOC_CREATE_UNLOCK(inp); 1384 creat_lock_on = 0; 1385 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1386 goto out_now; 1387 } 1388 #ifdef INET6 1389 if (((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) && 1390 (num_v6 > 0)) { 1391 error = EINVAL; 1392 goto out_now; 1393 } 1394 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) && 1395 (num_v4 > 0)) { 1396 if (SCTP_IPV6_V6ONLY(inp)) { 1397 /* 1398 * if IPV6_V6ONLY flag, ignore connections destined 1399 * to a v4 addr or v4-mapped addr 1400 */ 1401 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1402 error = EINVAL; 1403 goto out_now; 1404 } 1405 } 1406 #endif /* INET6 */ 1407 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 1408 SCTP_PCB_FLAGS_UNBOUND) { 1409 /* Bind a ephemeral port */ 1410 error = sctp_inpcb_bind(so, NULL, NULL, p); 1411 if (error) { 1412 goto out_now; 1413 } 1414 } 1415 1416 /* FIX ME: do we want to pass in a vrf on the connect call? */ 1417 vrf_id = inp->def_vrf_id; 1418 1419 /* We are GOOD to go */ 1420 stcb = sctp_aloc_assoc_connected(inp, sa, &error, 0, 0, vrf_id, 1421 inp->sctp_ep.pre_open_stream_count, 1422 inp->sctp_ep.port, 1423 (struct thread *)p, 1424 SCTP_INITIALIZE_AUTH_PARAMS); 1425 if (stcb == NULL) { 1426 /* Gak! no memory */ 1427 goto out_now; 1428 } 1429 SCTP_SET_STATE(stcb, SCTP_STATE_COOKIE_WAIT); 1430 /* move to second address */ 1431 switch (sa->sa_family) { 1432 #ifdef INET 1433 case AF_INET: 1434 sa = (struct sockaddr *)((caddr_t)sa + sizeof(struct sockaddr_in)); 1435 break; 1436 #endif 1437 #ifdef INET6 1438 case AF_INET6: 1439 sa = (struct sockaddr *)((caddr_t)sa + sizeof(struct sockaddr_in6)); 1440 break; 1441 #endif 1442 default: 1443 break; 1444 } 1445 1446 error = 0; 1447 sctp_connectx_helper_add(stcb, sa, (totaddr - 1), &error); 1448 /* Fill in the return id */ 1449 if (error) { 1450 goto out_now; 1451 } 1452 a_id = (sctp_assoc_t *)optval; 1453 *a_id = sctp_get_associd(stcb); 1454 1455 if (delay) { 1456 /* doing delayed connection */ 1457 stcb->asoc.delayed_connection = 1; 1458 sctp_timer_start(SCTP_TIMER_TYPE_INIT, inp, stcb, stcb->asoc.primary_destination); 1459 } else { 1460 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 1461 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 1462 } 1463 SCTP_TCB_UNLOCK(stcb); 1464 out_now: 1465 if (creat_lock_on) { 1466 SCTP_ASOC_CREATE_UNLOCK(inp); 1467 } 1468 SCTP_INP_DECR_REF(inp); 1469 return (error); 1470 } 1471 1472 #define SCTP_FIND_STCB(inp, stcb, assoc_id) { \ 1473 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||\ 1474 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { \ 1475 SCTP_INP_RLOCK(inp); \ 1476 stcb = LIST_FIRST(&inp->sctp_asoc_list); \ 1477 if (stcb) { \ 1478 SCTP_TCB_LOCK(stcb); \ 1479 } \ 1480 SCTP_INP_RUNLOCK(inp); \ 1481 } else if (assoc_id > SCTP_ALL_ASSOC) { \ 1482 stcb = sctp_findassociation_ep_asocid(inp, assoc_id, 1); \ 1483 if (stcb == NULL) { \ 1484 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); \ 1485 error = ENOENT; \ 1486 break; \ 1487 } \ 1488 } else { \ 1489 stcb = NULL; \ 1490 } \ 1491 } 1492 1493 #define SCTP_CHECK_AND_CAST(destp, srcp, type, size) {\ 1494 if (size < sizeof(type)) { \ 1495 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); \ 1496 error = EINVAL; \ 1497 break; \ 1498 } else { \ 1499 destp = (type *)srcp; \ 1500 } \ 1501 } 1502 1503 static int 1504 sctp_getopt(struct socket *so, int optname, void *optval, size_t *optsize, 1505 void *p) 1506 { 1507 struct sctp_inpcb *inp = NULL; 1508 int error, val = 0; 1509 struct sctp_tcb *stcb = NULL; 1510 1511 if (optval == NULL) { 1512 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1513 return (EINVAL); 1514 } 1515 1516 inp = (struct sctp_inpcb *)so->so_pcb; 1517 if (inp == NULL) { 1518 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1519 return EINVAL; 1520 } 1521 error = 0; 1522 1523 switch (optname) { 1524 case SCTP_NODELAY: 1525 case SCTP_AUTOCLOSE: 1526 case SCTP_EXPLICIT_EOR: 1527 case SCTP_AUTO_ASCONF: 1528 case SCTP_DISABLE_FRAGMENTS: 1529 case SCTP_I_WANT_MAPPED_V4_ADDR: 1530 case SCTP_USE_EXT_RCVINFO: 1531 SCTP_INP_RLOCK(inp); 1532 switch (optname) { 1533 case SCTP_DISABLE_FRAGMENTS: 1534 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NO_FRAGMENT); 1535 break; 1536 case SCTP_I_WANT_MAPPED_V4_ADDR: 1537 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4); 1538 break; 1539 case SCTP_AUTO_ASCONF: 1540 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1541 /* only valid for bound all sockets */ 1542 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTO_ASCONF); 1543 } else { 1544 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1545 error = EINVAL; 1546 goto flags_out; 1547 } 1548 break; 1549 case SCTP_EXPLICIT_EOR: 1550 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_EXPLICIT_EOR); 1551 break; 1552 case SCTP_NODELAY: 1553 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NODELAY); 1554 break; 1555 case SCTP_USE_EXT_RCVINFO: 1556 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_EXT_RCVINFO); 1557 break; 1558 case SCTP_AUTOCLOSE: 1559 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTOCLOSE)) 1560 val = sctp_ticks_to_secs(inp->sctp_ep.auto_close_time); 1561 else 1562 val = 0; 1563 break; 1564 1565 default: 1566 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 1567 error = ENOPROTOOPT; 1568 } /* end switch (sopt->sopt_name) */ 1569 if (*optsize < sizeof(val)) { 1570 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1571 error = EINVAL; 1572 } 1573 flags_out: 1574 SCTP_INP_RUNLOCK(inp); 1575 if (error == 0) { 1576 /* return the option value */ 1577 *(int *)optval = val; 1578 *optsize = sizeof(val); 1579 } 1580 break; 1581 case SCTP_GET_PACKET_LOG: 1582 { 1583 #ifdef SCTP_PACKET_LOGGING 1584 uint8_t *target; 1585 int ret; 1586 1587 SCTP_CHECK_AND_CAST(target, optval, uint8_t, *optsize); 1588 ret = sctp_copy_out_packet_log(target, (int)*optsize); 1589 *optsize = ret; 1590 #else 1591 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 1592 error = EOPNOTSUPP; 1593 #endif 1594 break; 1595 } 1596 case SCTP_REUSE_PORT: 1597 { 1598 uint32_t *value; 1599 1600 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE)) { 1601 /* Can't do this for a 1-m socket */ 1602 error = EINVAL; 1603 break; 1604 } 1605 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1606 *value = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE); 1607 *optsize = sizeof(uint32_t); 1608 break; 1609 } 1610 case SCTP_PARTIAL_DELIVERY_POINT: 1611 { 1612 uint32_t *value; 1613 1614 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1615 *value = inp->partial_delivery_point; 1616 *optsize = sizeof(uint32_t); 1617 break; 1618 } 1619 case SCTP_FRAGMENT_INTERLEAVE: 1620 { 1621 uint32_t *value; 1622 1623 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1624 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE)) { 1625 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS)) { 1626 *value = SCTP_FRAG_LEVEL_2; 1627 } else { 1628 *value = SCTP_FRAG_LEVEL_1; 1629 } 1630 } else { 1631 *value = SCTP_FRAG_LEVEL_0; 1632 } 1633 *optsize = sizeof(uint32_t); 1634 break; 1635 } 1636 case SCTP_INTERLEAVING_SUPPORTED: 1637 { 1638 struct sctp_assoc_value *av; 1639 1640 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1641 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1642 1643 if (stcb) { 1644 av->assoc_value = stcb->asoc.idata_supported; 1645 SCTP_TCB_UNLOCK(stcb); 1646 } else { 1647 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1648 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1649 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 1650 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 1651 SCTP_INP_RLOCK(inp); 1652 if (inp->idata_supported) { 1653 av->assoc_value = 1; 1654 } else { 1655 av->assoc_value = 0; 1656 } 1657 SCTP_INP_RUNLOCK(inp); 1658 } else { 1659 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1660 error = EINVAL; 1661 } 1662 } 1663 if (error == 0) { 1664 *optsize = sizeof(struct sctp_assoc_value); 1665 } 1666 break; 1667 } 1668 case SCTP_CMT_ON_OFF: 1669 { 1670 struct sctp_assoc_value *av; 1671 1672 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1673 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1674 if (stcb) { 1675 av->assoc_value = stcb->asoc.sctp_cmt_on_off; 1676 SCTP_TCB_UNLOCK(stcb); 1677 } else { 1678 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1679 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1680 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 1681 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 1682 SCTP_INP_RLOCK(inp); 1683 av->assoc_value = inp->sctp_cmt_on_off; 1684 SCTP_INP_RUNLOCK(inp); 1685 } else { 1686 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1687 error = EINVAL; 1688 } 1689 } 1690 if (error == 0) { 1691 *optsize = sizeof(struct sctp_assoc_value); 1692 } 1693 break; 1694 } 1695 case SCTP_PLUGGABLE_CC: 1696 { 1697 struct sctp_assoc_value *av; 1698 1699 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1700 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1701 if (stcb) { 1702 av->assoc_value = stcb->asoc.congestion_control_module; 1703 SCTP_TCB_UNLOCK(stcb); 1704 } else { 1705 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1706 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1707 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 1708 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 1709 SCTP_INP_RLOCK(inp); 1710 av->assoc_value = inp->sctp_ep.sctp_default_cc_module; 1711 SCTP_INP_RUNLOCK(inp); 1712 } else { 1713 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1714 error = EINVAL; 1715 } 1716 } 1717 if (error == 0) { 1718 *optsize = sizeof(struct sctp_assoc_value); 1719 } 1720 break; 1721 } 1722 case SCTP_CC_OPTION: 1723 { 1724 struct sctp_cc_option *cc_opt; 1725 1726 SCTP_CHECK_AND_CAST(cc_opt, optval, struct sctp_cc_option, *optsize); 1727 SCTP_FIND_STCB(inp, stcb, cc_opt->aid_value.assoc_id); 1728 if (stcb == NULL) { 1729 error = EINVAL; 1730 } else { 1731 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option == NULL) { 1732 error = ENOTSUP; 1733 } else { 1734 error = (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 0, cc_opt); 1735 *optsize = sizeof(struct sctp_cc_option); 1736 } 1737 SCTP_TCB_UNLOCK(stcb); 1738 } 1739 break; 1740 } 1741 case SCTP_PLUGGABLE_SS: 1742 { 1743 struct sctp_assoc_value *av; 1744 1745 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1746 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1747 if (stcb) { 1748 av->assoc_value = stcb->asoc.stream_scheduling_module; 1749 SCTP_TCB_UNLOCK(stcb); 1750 } else { 1751 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1752 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1753 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 1754 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 1755 SCTP_INP_RLOCK(inp); 1756 av->assoc_value = inp->sctp_ep.sctp_default_ss_module; 1757 SCTP_INP_RUNLOCK(inp); 1758 } else { 1759 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1760 error = EINVAL; 1761 } 1762 } 1763 if (error == 0) { 1764 *optsize = sizeof(struct sctp_assoc_value); 1765 } 1766 break; 1767 } 1768 case SCTP_SS_VALUE: 1769 { 1770 struct sctp_stream_value *av; 1771 1772 SCTP_CHECK_AND_CAST(av, optval, struct sctp_stream_value, *optsize); 1773 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1774 if (stcb) { 1775 if ((av->stream_id >= stcb->asoc.streamoutcnt) || 1776 (stcb->asoc.ss_functions.sctp_ss_get_value(stcb, &stcb->asoc, &stcb->asoc.strmout[av->stream_id], 1777 &av->stream_value) < 0)) { 1778 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1779 error = EINVAL; 1780 } else { 1781 *optsize = sizeof(struct sctp_stream_value); 1782 } 1783 SCTP_TCB_UNLOCK(stcb); 1784 } else { 1785 /* 1786 * Can't get stream value without 1787 * association 1788 */ 1789 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1790 error = EINVAL; 1791 } 1792 break; 1793 } 1794 case SCTP_GET_ADDR_LEN: 1795 { 1796 struct sctp_assoc_value *av; 1797 1798 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1799 error = EINVAL; 1800 #ifdef INET 1801 if (av->assoc_value == AF_INET) { 1802 av->assoc_value = sizeof(struct sockaddr_in); 1803 error = 0; 1804 } 1805 #endif 1806 #ifdef INET6 1807 if (av->assoc_value == AF_INET6) { 1808 av->assoc_value = sizeof(struct sockaddr_in6); 1809 error = 0; 1810 } 1811 #endif 1812 if (error) { 1813 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1814 } else { 1815 *optsize = sizeof(struct sctp_assoc_value); 1816 } 1817 break; 1818 } 1819 case SCTP_GET_ASSOC_NUMBER: 1820 { 1821 uint32_t *value, cnt; 1822 1823 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1824 SCTP_INP_RLOCK(inp); 1825 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1826 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 1827 /* Can't do this for a 1-1 socket */ 1828 error = EINVAL; 1829 SCTP_INP_RUNLOCK(inp); 1830 break; 1831 } 1832 cnt = 0; 1833 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 1834 cnt++; 1835 } 1836 SCTP_INP_RUNLOCK(inp); 1837 *value = cnt; 1838 *optsize = sizeof(uint32_t); 1839 break; 1840 } 1841 case SCTP_GET_ASSOC_ID_LIST: 1842 { 1843 struct sctp_assoc_ids *ids; 1844 uint32_t at; 1845 size_t limit; 1846 1847 SCTP_CHECK_AND_CAST(ids, optval, struct sctp_assoc_ids, *optsize); 1848 SCTP_INP_RLOCK(inp); 1849 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1850 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 1851 /* Can't do this for a 1-1 socket */ 1852 error = EINVAL; 1853 SCTP_INP_RUNLOCK(inp); 1854 break; 1855 } 1856 at = 0; 1857 limit = (*optsize - sizeof(uint32_t)) / sizeof(sctp_assoc_t); 1858 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 1859 if (at < limit) { 1860 ids->gaids_assoc_id[at++] = sctp_get_associd(stcb); 1861 if (at == 0) { 1862 error = EINVAL; 1863 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1864 break; 1865 } 1866 } else { 1867 error = EINVAL; 1868 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1869 break; 1870 } 1871 } 1872 SCTP_INP_RUNLOCK(inp); 1873 if (error == 0) { 1874 ids->gaids_number_of_ids = at; 1875 *optsize = ((at * sizeof(sctp_assoc_t)) + sizeof(uint32_t)); 1876 } 1877 break; 1878 } 1879 case SCTP_CONTEXT: 1880 { 1881 struct sctp_assoc_value *av; 1882 1883 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1884 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1885 1886 if (stcb) { 1887 av->assoc_value = stcb->asoc.context; 1888 SCTP_TCB_UNLOCK(stcb); 1889 } else { 1890 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1891 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1892 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 1893 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 1894 SCTP_INP_RLOCK(inp); 1895 av->assoc_value = inp->sctp_context; 1896 SCTP_INP_RUNLOCK(inp); 1897 } else { 1898 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1899 error = EINVAL; 1900 } 1901 } 1902 if (error == 0) { 1903 *optsize = sizeof(struct sctp_assoc_value); 1904 } 1905 break; 1906 } 1907 case SCTP_VRF_ID: 1908 { 1909 uint32_t *default_vrfid; 1910 1911 SCTP_CHECK_AND_CAST(default_vrfid, optval, uint32_t, *optsize); 1912 *default_vrfid = inp->def_vrf_id; 1913 *optsize = sizeof(uint32_t); 1914 break; 1915 } 1916 case SCTP_GET_ASOC_VRF: 1917 { 1918 struct sctp_assoc_value *id; 1919 1920 SCTP_CHECK_AND_CAST(id, optval, struct sctp_assoc_value, *optsize); 1921 SCTP_FIND_STCB(inp, stcb, id->assoc_id); 1922 if (stcb == NULL) { 1923 error = EINVAL; 1924 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1925 } else { 1926 id->assoc_value = stcb->asoc.vrf_id; 1927 SCTP_TCB_UNLOCK(stcb); 1928 *optsize = sizeof(struct sctp_assoc_value); 1929 } 1930 break; 1931 } 1932 case SCTP_GET_VRF_IDS: 1933 { 1934 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 1935 error = EOPNOTSUPP; 1936 break; 1937 } 1938 case SCTP_GET_NONCE_VALUES: 1939 { 1940 struct sctp_get_nonce_values *gnv; 1941 1942 SCTP_CHECK_AND_CAST(gnv, optval, struct sctp_get_nonce_values, *optsize); 1943 SCTP_FIND_STCB(inp, stcb, gnv->gn_assoc_id); 1944 1945 if (stcb) { 1946 gnv->gn_peers_tag = stcb->asoc.peer_vtag; 1947 gnv->gn_local_tag = stcb->asoc.my_vtag; 1948 SCTP_TCB_UNLOCK(stcb); 1949 *optsize = sizeof(struct sctp_get_nonce_values); 1950 } else { 1951 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 1952 error = ENOTCONN; 1953 } 1954 break; 1955 } 1956 case SCTP_DELAYED_SACK: 1957 { 1958 struct sctp_sack_info *sack; 1959 1960 SCTP_CHECK_AND_CAST(sack, optval, struct sctp_sack_info, *optsize); 1961 SCTP_FIND_STCB(inp, stcb, sack->sack_assoc_id); 1962 if (stcb) { 1963 sack->sack_delay = stcb->asoc.delayed_ack; 1964 sack->sack_freq = stcb->asoc.sack_freq; 1965 SCTP_TCB_UNLOCK(stcb); 1966 } else { 1967 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1968 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1969 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 1970 (sack->sack_assoc_id == SCTP_FUTURE_ASSOC))) { 1971 SCTP_INP_RLOCK(inp); 1972 sack->sack_delay = sctp_ticks_to_msecs(inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV]); 1973 sack->sack_freq = inp->sctp_ep.sctp_sack_freq; 1974 SCTP_INP_RUNLOCK(inp); 1975 } else { 1976 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1977 error = EINVAL; 1978 } 1979 } 1980 if (error == 0) { 1981 *optsize = sizeof(struct sctp_sack_info); 1982 } 1983 break; 1984 } 1985 case SCTP_GET_SNDBUF_USE: 1986 { 1987 struct sctp_sockstat *ss; 1988 1989 SCTP_CHECK_AND_CAST(ss, optval, struct sctp_sockstat, *optsize); 1990 SCTP_FIND_STCB(inp, stcb, ss->ss_assoc_id); 1991 1992 if (stcb) { 1993 ss->ss_total_sndbuf = stcb->asoc.total_output_queue_size; 1994 ss->ss_total_recv_buf = (stcb->asoc.size_on_reasm_queue + 1995 stcb->asoc.size_on_all_streams); 1996 SCTP_TCB_UNLOCK(stcb); 1997 *optsize = sizeof(struct sctp_sockstat); 1998 } else { 1999 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 2000 error = ENOTCONN; 2001 } 2002 break; 2003 } 2004 case SCTP_MAX_BURST: 2005 { 2006 struct sctp_assoc_value *av; 2007 2008 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 2009 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 2010 2011 if (stcb) { 2012 av->assoc_value = stcb->asoc.max_burst; 2013 SCTP_TCB_UNLOCK(stcb); 2014 } else { 2015 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2016 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2017 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2018 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 2019 SCTP_INP_RLOCK(inp); 2020 av->assoc_value = inp->sctp_ep.max_burst; 2021 SCTP_INP_RUNLOCK(inp); 2022 } else { 2023 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2024 error = EINVAL; 2025 } 2026 } 2027 if (error == 0) { 2028 *optsize = sizeof(struct sctp_assoc_value); 2029 } 2030 break; 2031 } 2032 case SCTP_MAXSEG: 2033 { 2034 struct sctp_assoc_value *av; 2035 int ovh; 2036 2037 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 2038 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 2039 2040 if (stcb) { 2041 av->assoc_value = sctp_get_frag_point(stcb, &stcb->asoc); 2042 SCTP_TCB_UNLOCK(stcb); 2043 } else { 2044 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2045 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2046 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2047 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 2048 SCTP_INP_RLOCK(inp); 2049 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 2050 ovh = SCTP_MED_OVERHEAD; 2051 } else { 2052 ovh = SCTP_MED_V4_OVERHEAD; 2053 } 2054 if (inp->sctp_frag_point >= SCTP_DEFAULT_MAXSEGMENT) 2055 av->assoc_value = 0; 2056 else 2057 av->assoc_value = inp->sctp_frag_point - ovh; 2058 SCTP_INP_RUNLOCK(inp); 2059 } else { 2060 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2061 error = EINVAL; 2062 } 2063 } 2064 if (error == 0) { 2065 *optsize = sizeof(struct sctp_assoc_value); 2066 } 2067 break; 2068 } 2069 case SCTP_GET_STAT_LOG: 2070 error = sctp_fill_stat_log(optval, optsize); 2071 break; 2072 case SCTP_EVENTS: 2073 { 2074 struct sctp_event_subscribe *events; 2075 2076 SCTP_CHECK_AND_CAST(events, optval, struct sctp_event_subscribe, *optsize); 2077 memset(events, 0, sizeof(struct sctp_event_subscribe)); 2078 SCTP_INP_RLOCK(inp); 2079 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT)) 2080 events->sctp_data_io_event = 1; 2081 2082 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT)) 2083 events->sctp_association_event = 1; 2084 2085 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVPADDREVNT)) 2086 events->sctp_address_event = 1; 2087 2088 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT)) 2089 events->sctp_send_failure_event = 1; 2090 2091 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVPEERERR)) 2092 events->sctp_peer_error_event = 1; 2093 2094 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT)) 2095 events->sctp_shutdown_event = 1; 2096 2097 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PDAPIEVNT)) 2098 events->sctp_partial_delivery_event = 1; 2099 2100 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT)) 2101 events->sctp_adaptation_layer_event = 1; 2102 2103 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTHEVNT)) 2104 events->sctp_authentication_event = 1; 2105 2106 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_DRYEVNT)) 2107 events->sctp_sender_dry_event = 1; 2108 2109 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT)) 2110 events->sctp_stream_reset_event = 1; 2111 SCTP_INP_RUNLOCK(inp); 2112 *optsize = sizeof(struct sctp_event_subscribe); 2113 break; 2114 } 2115 case SCTP_ADAPTATION_LAYER: 2116 { 2117 uint32_t *value; 2118 2119 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2120 2121 SCTP_INP_RLOCK(inp); 2122 *value = inp->sctp_ep.adaptation_layer_indicator; 2123 SCTP_INP_RUNLOCK(inp); 2124 *optsize = sizeof(uint32_t); 2125 break; 2126 } 2127 case SCTP_SET_INITIAL_DBG_SEQ: 2128 { 2129 uint32_t *value; 2130 2131 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2132 SCTP_INP_RLOCK(inp); 2133 *value = inp->sctp_ep.initial_sequence_debug; 2134 SCTP_INP_RUNLOCK(inp); 2135 *optsize = sizeof(uint32_t); 2136 break; 2137 } 2138 case SCTP_GET_LOCAL_ADDR_SIZE: 2139 { 2140 uint32_t *value; 2141 2142 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2143 SCTP_INP_RLOCK(inp); 2144 *value = (uint32_t)sctp_max_size_addresses(inp); 2145 SCTP_INP_RUNLOCK(inp); 2146 *optsize = sizeof(uint32_t); 2147 break; 2148 } 2149 case SCTP_GET_REMOTE_ADDR_SIZE: 2150 { 2151 uint32_t *value; 2152 struct sctp_nets *net; 2153 size_t size; 2154 2155 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2156 /* FIXME MT: change to sctp_assoc_value? */ 2157 SCTP_FIND_STCB(inp, stcb, (sctp_assoc_t)*value); 2158 2159 if (stcb != NULL) { 2160 size = 0; 2161 /* Count the sizes */ 2162 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 2163 switch (net->ro._l_addr.sa.sa_family) { 2164 #ifdef INET 2165 case AF_INET: 2166 #ifdef INET6 2167 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 2168 size += sizeof(struct sockaddr_in6); 2169 } else { 2170 size += sizeof(struct sockaddr_in); 2171 } 2172 #else 2173 size += sizeof(struct sockaddr_in); 2174 #endif 2175 break; 2176 #endif 2177 #ifdef INET6 2178 case AF_INET6: 2179 size += sizeof(struct sockaddr_in6); 2180 break; 2181 #endif 2182 default: 2183 break; 2184 } 2185 } 2186 SCTP_TCB_UNLOCK(stcb); 2187 *value = (uint32_t)size; 2188 *optsize = sizeof(uint32_t); 2189 } else { 2190 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2191 ((sctp_assoc_t)*value <= SCTP_ALL_ASSOC)) { 2192 error = EINVAL; 2193 } else { 2194 error = ENOENT; 2195 } 2196 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2197 } 2198 break; 2199 } 2200 case SCTP_GET_PEER_ADDRESSES: 2201 /* 2202 * Get the address information, an array is passed in to 2203 * fill up we pack it. 2204 */ 2205 { 2206 size_t cpsz, left; 2207 struct sockaddr *addr; 2208 struct sctp_nets *net; 2209 struct sctp_getaddresses *saddr; 2210 2211 SCTP_CHECK_AND_CAST(saddr, optval, struct sctp_getaddresses, *optsize); 2212 SCTP_FIND_STCB(inp, stcb, saddr->sget_assoc_id); 2213 2214 if (stcb != NULL) { 2215 left = *optsize - offsetof(struct sctp_getaddresses, addr); 2216 *optsize = offsetof(struct sctp_getaddresses, addr); 2217 addr = &saddr->addr[0].sa; 2218 2219 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 2220 switch (net->ro._l_addr.sa.sa_family) { 2221 #ifdef INET 2222 case AF_INET: 2223 #ifdef INET6 2224 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 2225 cpsz = sizeof(struct sockaddr_in6); 2226 } else { 2227 cpsz = sizeof(struct sockaddr_in); 2228 } 2229 #else 2230 cpsz = sizeof(struct sockaddr_in); 2231 #endif 2232 break; 2233 #endif 2234 #ifdef INET6 2235 case AF_INET6: 2236 cpsz = sizeof(struct sockaddr_in6); 2237 break; 2238 #endif 2239 default: 2240 cpsz = 0; 2241 break; 2242 } 2243 if (cpsz == 0) { 2244 break; 2245 } 2246 if (left < cpsz) { 2247 /* not enough room. */ 2248 break; 2249 } 2250 #if defined(INET) && defined(INET6) 2251 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) && 2252 (net->ro._l_addr.sa.sa_family == AF_INET)) { 2253 /* Must map the address */ 2254 in6_sin_2_v4mapsin6(&net->ro._l_addr.sin, 2255 (struct sockaddr_in6 *)addr); 2256 } else { 2257 memcpy(addr, &net->ro._l_addr, cpsz); 2258 } 2259 #else 2260 memcpy(addr, &net->ro._l_addr, cpsz); 2261 #endif 2262 ((struct sockaddr_in *)addr)->sin_port = stcb->rport; 2263 2264 addr = (struct sockaddr *)((caddr_t)addr + cpsz); 2265 left -= cpsz; 2266 *optsize += cpsz; 2267 } 2268 SCTP_TCB_UNLOCK(stcb); 2269 } else { 2270 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2271 (saddr->sget_assoc_id <= SCTP_ALL_ASSOC)) { 2272 error = EINVAL; 2273 } else { 2274 error = ENOENT; 2275 } 2276 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2277 } 2278 break; 2279 } 2280 case SCTP_GET_LOCAL_ADDRESSES: 2281 { 2282 size_t limit, actual; 2283 struct sctp_getaddresses *saddr; 2284 2285 SCTP_CHECK_AND_CAST(saddr, optval, struct sctp_getaddresses, *optsize); 2286 SCTP_FIND_STCB(inp, stcb, saddr->sget_assoc_id); 2287 2288 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2289 ((saddr->sget_assoc_id == SCTP_CURRENT_ASSOC) || 2290 (saddr->sget_assoc_id == SCTP_ALL_ASSOC))) { 2291 error = EINVAL; 2292 } else { 2293 limit = *optsize - offsetof(struct sctp_getaddresses, addr); 2294 actual = sctp_fill_up_addresses(inp, stcb, limit, &saddr->addr[0].sa); 2295 *optsize = offsetof(struct sctp_getaddresses, addr) + actual; 2296 } 2297 if (stcb != NULL) { 2298 SCTP_TCB_UNLOCK(stcb); 2299 } 2300 break; 2301 } 2302 case SCTP_PEER_ADDR_PARAMS: 2303 { 2304 struct sctp_paddrparams *paddrp; 2305 struct sctp_nets *net; 2306 struct sockaddr *addr; 2307 #if defined(INET) && defined(INET6) 2308 struct sockaddr_in sin_store; 2309 #endif 2310 2311 SCTP_CHECK_AND_CAST(paddrp, optval, struct sctp_paddrparams, *optsize); 2312 SCTP_FIND_STCB(inp, stcb, paddrp->spp_assoc_id); 2313 2314 #if defined(INET) && defined(INET6) 2315 if (paddrp->spp_address.ss_family == AF_INET6) { 2316 struct sockaddr_in6 *sin6; 2317 2318 sin6 = (struct sockaddr_in6 *)&paddrp->spp_address; 2319 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 2320 in6_sin6_2_sin(&sin_store, sin6); 2321 addr = (struct sockaddr *)&sin_store; 2322 } else { 2323 addr = (struct sockaddr *)&paddrp->spp_address; 2324 } 2325 } else { 2326 addr = (struct sockaddr *)&paddrp->spp_address; 2327 } 2328 #else 2329 addr = (struct sockaddr *)&paddrp->spp_address; 2330 #endif 2331 if (stcb != NULL) { 2332 net = sctp_findnet(stcb, addr); 2333 } else { 2334 /* 2335 * We increment here since 2336 * sctp_findassociation_ep_addr() wil do a 2337 * decrement if it finds the stcb as long as 2338 * the locked tcb (last argument) is NOT a 2339 * TCB.. aka NULL. 2340 */ 2341 net = NULL; 2342 SCTP_INP_INCR_REF(inp); 2343 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 2344 if (stcb == NULL) { 2345 SCTP_INP_DECR_REF(inp); 2346 } 2347 } 2348 if ((stcb != NULL) && (net == NULL)) { 2349 #ifdef INET 2350 if (addr->sa_family == AF_INET) { 2351 struct sockaddr_in *sin; 2352 2353 sin = (struct sockaddr_in *)addr; 2354 if (sin->sin_addr.s_addr != INADDR_ANY) { 2355 error = EINVAL; 2356 SCTP_TCB_UNLOCK(stcb); 2357 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2358 break; 2359 } 2360 } else 2361 #endif 2362 #ifdef INET6 2363 if (addr->sa_family == AF_INET6) { 2364 struct sockaddr_in6 *sin6; 2365 2366 sin6 = (struct sockaddr_in6 *)addr; 2367 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 2368 error = EINVAL; 2369 SCTP_TCB_UNLOCK(stcb); 2370 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2371 break; 2372 } 2373 } else 2374 #endif 2375 { 2376 error = EAFNOSUPPORT; 2377 SCTP_TCB_UNLOCK(stcb); 2378 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2379 break; 2380 } 2381 } 2382 2383 if (stcb != NULL) { 2384 /* Applies to the specific association */ 2385 paddrp->spp_flags = 0; 2386 if (net != NULL) { 2387 paddrp->spp_hbinterval = net->heart_beat_delay; 2388 paddrp->spp_pathmaxrxt = net->failure_threshold; 2389 paddrp->spp_pathmtu = net->mtu; 2390 switch (net->ro._l_addr.sa.sa_family) { 2391 #ifdef INET 2392 case AF_INET: 2393 paddrp->spp_pathmtu -= SCTP_MIN_V4_OVERHEAD; 2394 break; 2395 #endif 2396 #ifdef INET6 2397 case AF_INET6: 2398 paddrp->spp_pathmtu -= SCTP_MIN_OVERHEAD; 2399 break; 2400 #endif 2401 default: 2402 break; 2403 } 2404 /* get flags for HB */ 2405 if (net->dest_state & SCTP_ADDR_NOHB) { 2406 paddrp->spp_flags |= SPP_HB_DISABLE; 2407 } else { 2408 paddrp->spp_flags |= SPP_HB_ENABLE; 2409 } 2410 /* get flags for PMTU */ 2411 if (net->dest_state & SCTP_ADDR_NO_PMTUD) { 2412 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2413 } else { 2414 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2415 } 2416 if (net->dscp & 0x01) { 2417 paddrp->spp_dscp = net->dscp & 0xfc; 2418 paddrp->spp_flags |= SPP_DSCP; 2419 } 2420 #ifdef INET6 2421 if ((net->ro._l_addr.sa.sa_family == AF_INET6) && 2422 (net->flowlabel & 0x80000000)) { 2423 paddrp->spp_ipv6_flowlabel = net->flowlabel & 0x000fffff; 2424 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2425 } 2426 #endif 2427 } else { 2428 /* 2429 * No destination so return default 2430 * value 2431 */ 2432 paddrp->spp_pathmaxrxt = stcb->asoc.def_net_failure; 2433 paddrp->spp_pathmtu = stcb->asoc.default_mtu; 2434 if (stcb->asoc.default_dscp & 0x01) { 2435 paddrp->spp_dscp = stcb->asoc.default_dscp & 0xfc; 2436 paddrp->spp_flags |= SPP_DSCP; 2437 } 2438 #ifdef INET6 2439 if (stcb->asoc.default_flowlabel & 0x80000000) { 2440 paddrp->spp_ipv6_flowlabel = stcb->asoc.default_flowlabel & 0x000fffff; 2441 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2442 } 2443 #endif 2444 /* default settings should be these */ 2445 if (sctp_stcb_is_feature_on(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT)) { 2446 paddrp->spp_flags |= SPP_HB_DISABLE; 2447 } else { 2448 paddrp->spp_flags |= SPP_HB_ENABLE; 2449 } 2450 if (sctp_stcb_is_feature_on(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD)) { 2451 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2452 } else { 2453 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2454 } 2455 paddrp->spp_hbinterval = stcb->asoc.heart_beat_delay; 2456 } 2457 paddrp->spp_assoc_id = sctp_get_associd(stcb); 2458 SCTP_TCB_UNLOCK(stcb); 2459 } else { 2460 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2461 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2462 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2463 (paddrp->spp_assoc_id == SCTP_FUTURE_ASSOC))) { 2464 /* Use endpoint defaults */ 2465 SCTP_INP_RLOCK(inp); 2466 paddrp->spp_pathmaxrxt = inp->sctp_ep.def_net_failure; 2467 paddrp->spp_hbinterval = sctp_ticks_to_msecs(inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT]); 2468 paddrp->spp_assoc_id = SCTP_FUTURE_ASSOC; 2469 /* get inp's default */ 2470 if (inp->sctp_ep.default_dscp & 0x01) { 2471 paddrp->spp_dscp = inp->sctp_ep.default_dscp & 0xfc; 2472 paddrp->spp_flags |= SPP_DSCP; 2473 } 2474 #ifdef INET6 2475 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) && 2476 (inp->sctp_ep.default_flowlabel & 0x80000000)) { 2477 paddrp->spp_ipv6_flowlabel = inp->sctp_ep.default_flowlabel & 0x000fffff; 2478 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2479 } 2480 #endif 2481 paddrp->spp_pathmtu = inp->sctp_ep.default_mtu; 2482 2483 if (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT)) { 2484 paddrp->spp_flags |= SPP_HB_ENABLE; 2485 } else { 2486 paddrp->spp_flags |= SPP_HB_DISABLE; 2487 } 2488 if (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD)) { 2489 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2490 } else { 2491 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2492 } 2493 SCTP_INP_RUNLOCK(inp); 2494 } else { 2495 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2496 error = EINVAL; 2497 } 2498 } 2499 if (error == 0) { 2500 *optsize = sizeof(struct sctp_paddrparams); 2501 } 2502 break; 2503 } 2504 case SCTP_GET_PEER_ADDR_INFO: 2505 { 2506 struct sctp_paddrinfo *paddri; 2507 struct sctp_nets *net; 2508 struct sockaddr *addr; 2509 #if defined(INET) && defined(INET6) 2510 struct sockaddr_in sin_store; 2511 #endif 2512 2513 SCTP_CHECK_AND_CAST(paddri, optval, struct sctp_paddrinfo, *optsize); 2514 SCTP_FIND_STCB(inp, stcb, paddri->spinfo_assoc_id); 2515 2516 #if defined(INET) && defined(INET6) 2517 if (paddri->spinfo_address.ss_family == AF_INET6) { 2518 struct sockaddr_in6 *sin6; 2519 2520 sin6 = (struct sockaddr_in6 *)&paddri->spinfo_address; 2521 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 2522 in6_sin6_2_sin(&sin_store, sin6); 2523 addr = (struct sockaddr *)&sin_store; 2524 } else { 2525 addr = (struct sockaddr *)&paddri->spinfo_address; 2526 } 2527 } else { 2528 addr = (struct sockaddr *)&paddri->spinfo_address; 2529 } 2530 #else 2531 addr = (struct sockaddr *)&paddri->spinfo_address; 2532 #endif 2533 if (stcb != NULL) { 2534 net = sctp_findnet(stcb, addr); 2535 } else { 2536 /* 2537 * We increment here since 2538 * sctp_findassociation_ep_addr() wil do a 2539 * decrement if it finds the stcb as long as 2540 * the locked tcb (last argument) is NOT a 2541 * TCB.. aka NULL. 2542 */ 2543 net = NULL; 2544 SCTP_INP_INCR_REF(inp); 2545 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 2546 if (stcb == NULL) { 2547 SCTP_INP_DECR_REF(inp); 2548 } 2549 } 2550 2551 if ((stcb != NULL) && (net != NULL)) { 2552 if (net->dest_state & SCTP_ADDR_UNCONFIRMED) { 2553 /* It's unconfirmed */ 2554 paddri->spinfo_state = SCTP_UNCONFIRMED; 2555 } else if (net->dest_state & SCTP_ADDR_REACHABLE) { 2556 /* It's active */ 2557 paddri->spinfo_state = SCTP_ACTIVE; 2558 } else { 2559 /* It's inactive */ 2560 paddri->spinfo_state = SCTP_INACTIVE; 2561 } 2562 paddri->spinfo_cwnd = net->cwnd; 2563 paddri->spinfo_srtt = net->lastsa >> SCTP_RTT_SHIFT; 2564 paddri->spinfo_rto = net->RTO; 2565 paddri->spinfo_assoc_id = sctp_get_associd(stcb); 2566 paddri->spinfo_mtu = net->mtu; 2567 switch (addr->sa_family) { 2568 #if defined(INET) 2569 case AF_INET: 2570 paddri->spinfo_mtu -= SCTP_MIN_V4_OVERHEAD; 2571 break; 2572 #endif 2573 #if defined(INET6) 2574 case AF_INET6: 2575 paddri->spinfo_mtu -= SCTP_MIN_OVERHEAD; 2576 break; 2577 #endif 2578 default: 2579 break; 2580 } 2581 SCTP_TCB_UNLOCK(stcb); 2582 *optsize = sizeof(struct sctp_paddrinfo); 2583 } else { 2584 if (stcb != NULL) { 2585 SCTP_TCB_UNLOCK(stcb); 2586 } 2587 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 2588 error = ENOENT; 2589 } 2590 break; 2591 } 2592 case SCTP_PCB_STATUS: 2593 { 2594 struct sctp_pcbinfo *spcb; 2595 2596 SCTP_CHECK_AND_CAST(spcb, optval, struct sctp_pcbinfo, *optsize); 2597 sctp_fill_pcbinfo(spcb); 2598 *optsize = sizeof(struct sctp_pcbinfo); 2599 break; 2600 } 2601 case SCTP_STATUS: 2602 { 2603 struct sctp_nets *net; 2604 struct sctp_status *sstat; 2605 2606 SCTP_CHECK_AND_CAST(sstat, optval, struct sctp_status, *optsize); 2607 SCTP_FIND_STCB(inp, stcb, sstat->sstat_assoc_id); 2608 2609 if (stcb == NULL) { 2610 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2611 error = EINVAL; 2612 break; 2613 } 2614 sstat->sstat_state = sctp_map_assoc_state(stcb->asoc.state); 2615 sstat->sstat_assoc_id = sctp_get_associd(stcb); 2616 sstat->sstat_rwnd = stcb->asoc.peers_rwnd; 2617 sstat->sstat_unackdata = stcb->asoc.sent_queue_cnt; 2618 /* 2619 * We can't include chunks that have been passed to 2620 * the socket layer. Only things in queue. 2621 */ 2622 sstat->sstat_penddata = (stcb->asoc.cnt_on_reasm_queue + 2623 stcb->asoc.cnt_on_all_streams); 2624 sstat->sstat_instrms = stcb->asoc.streamincnt; 2625 sstat->sstat_outstrms = stcb->asoc.streamoutcnt; 2626 sstat->sstat_fragmentation_point = sctp_get_frag_point(stcb, &stcb->asoc); 2627 net = stcb->asoc.primary_destination; 2628 if (net != NULL) { 2629 memcpy(&sstat->sstat_primary.spinfo_address, 2630 &net->ro._l_addr, 2631 ((struct sockaddr *)(&net->ro._l_addr))->sa_len); 2632 ((struct sockaddr_in *)&sstat->sstat_primary.spinfo_address)->sin_port = stcb->rport; 2633 /* 2634 * Again the user can get info from 2635 * sctp_constants.h for what the state of 2636 * the network is. 2637 */ 2638 if (net->dest_state & SCTP_ADDR_UNCONFIRMED) { 2639 /* It's unconfirmed */ 2640 sstat->sstat_primary.spinfo_state = SCTP_UNCONFIRMED; 2641 } else if (net->dest_state & SCTP_ADDR_REACHABLE) { 2642 /* It's active */ 2643 sstat->sstat_primary.spinfo_state = SCTP_ACTIVE; 2644 } else { 2645 /* It's inactive */ 2646 sstat->sstat_primary.spinfo_state = SCTP_INACTIVE; 2647 } 2648 sstat->sstat_primary.spinfo_cwnd = net->cwnd; 2649 sstat->sstat_primary.spinfo_srtt = net->lastsa >> SCTP_RTT_SHIFT; 2650 sstat->sstat_primary.spinfo_rto = net->RTO; 2651 sstat->sstat_primary.spinfo_mtu = net->mtu; 2652 switch (stcb->asoc.primary_destination->ro._l_addr.sa.sa_family) { 2653 #if defined(INET) 2654 case AF_INET: 2655 sstat->sstat_primary.spinfo_mtu -= SCTP_MIN_V4_OVERHEAD; 2656 break; 2657 #endif 2658 #if defined(INET6) 2659 case AF_INET6: 2660 sstat->sstat_primary.spinfo_mtu -= SCTP_MIN_OVERHEAD; 2661 break; 2662 #endif 2663 default: 2664 break; 2665 } 2666 } else { 2667 memset(&sstat->sstat_primary, 0, sizeof(struct sctp_paddrinfo)); 2668 } 2669 sstat->sstat_primary.spinfo_assoc_id = sctp_get_associd(stcb); 2670 SCTP_TCB_UNLOCK(stcb); 2671 *optsize = sizeof(struct sctp_status); 2672 break; 2673 } 2674 case SCTP_RTOINFO: 2675 { 2676 struct sctp_rtoinfo *srto; 2677 2678 SCTP_CHECK_AND_CAST(srto, optval, struct sctp_rtoinfo, *optsize); 2679 SCTP_FIND_STCB(inp, stcb, srto->srto_assoc_id); 2680 2681 if (stcb) { 2682 srto->srto_initial = stcb->asoc.initial_rto; 2683 srto->srto_max = stcb->asoc.maxrto; 2684 srto->srto_min = stcb->asoc.minrto; 2685 SCTP_TCB_UNLOCK(stcb); 2686 } else { 2687 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2688 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2689 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2690 (srto->srto_assoc_id == SCTP_FUTURE_ASSOC))) { 2691 SCTP_INP_RLOCK(inp); 2692 srto->srto_initial = inp->sctp_ep.initial_rto; 2693 srto->srto_max = inp->sctp_ep.sctp_maxrto; 2694 srto->srto_min = inp->sctp_ep.sctp_minrto; 2695 SCTP_INP_RUNLOCK(inp); 2696 } else { 2697 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2698 error = EINVAL; 2699 } 2700 } 2701 if (error == 0) { 2702 *optsize = sizeof(struct sctp_rtoinfo); 2703 } 2704 break; 2705 } 2706 case SCTP_TIMEOUTS: 2707 { 2708 struct sctp_timeouts *stimo; 2709 2710 SCTP_CHECK_AND_CAST(stimo, optval, struct sctp_timeouts, *optsize); 2711 SCTP_FIND_STCB(inp, stcb, stimo->stimo_assoc_id); 2712 2713 if (stcb) { 2714 stimo->stimo_init = stcb->asoc.timoinit; 2715 stimo->stimo_data = stcb->asoc.timodata; 2716 stimo->stimo_sack = stcb->asoc.timosack; 2717 stimo->stimo_shutdown = stcb->asoc.timoshutdown; 2718 stimo->stimo_heartbeat = stcb->asoc.timoheartbeat; 2719 stimo->stimo_cookie = stcb->asoc.timocookie; 2720 stimo->stimo_shutdownack = stcb->asoc.timoshutdownack; 2721 SCTP_TCB_UNLOCK(stcb); 2722 *optsize = sizeof(struct sctp_timeouts); 2723 } else { 2724 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2725 error = EINVAL; 2726 } 2727 break; 2728 } 2729 case SCTP_ASSOCINFO: 2730 { 2731 struct sctp_assocparams *sasoc; 2732 2733 SCTP_CHECK_AND_CAST(sasoc, optval, struct sctp_assocparams, *optsize); 2734 SCTP_FIND_STCB(inp, stcb, sasoc->sasoc_assoc_id); 2735 2736 if (stcb) { 2737 sasoc->sasoc_cookie_life = sctp_ticks_to_msecs(stcb->asoc.cookie_life); 2738 sasoc->sasoc_asocmaxrxt = stcb->asoc.max_send_times; 2739 sasoc->sasoc_number_peer_destinations = stcb->asoc.numnets; 2740 sasoc->sasoc_peer_rwnd = stcb->asoc.peers_rwnd; 2741 sasoc->sasoc_local_rwnd = stcb->asoc.my_rwnd; 2742 SCTP_TCB_UNLOCK(stcb); 2743 } else { 2744 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2745 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2746 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2747 (sasoc->sasoc_assoc_id == SCTP_FUTURE_ASSOC))) { 2748 SCTP_INP_RLOCK(inp); 2749 sasoc->sasoc_cookie_life = sctp_ticks_to_msecs(inp->sctp_ep.def_cookie_life); 2750 sasoc->sasoc_asocmaxrxt = inp->sctp_ep.max_send_times; 2751 sasoc->sasoc_number_peer_destinations = 0; 2752 sasoc->sasoc_peer_rwnd = 0; 2753 sasoc->sasoc_local_rwnd = (uint32_t)sbspace(&inp->sctp_socket->so_rcv); 2754 SCTP_INP_RUNLOCK(inp); 2755 } else { 2756 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2757 error = EINVAL; 2758 } 2759 } 2760 if (error == 0) { 2761 *optsize = sizeof(struct sctp_assocparams); 2762 } 2763 break; 2764 } 2765 case SCTP_DEFAULT_SEND_PARAM: 2766 { 2767 struct sctp_sndrcvinfo *s_info; 2768 2769 SCTP_CHECK_AND_CAST(s_info, optval, struct sctp_sndrcvinfo, *optsize); 2770 SCTP_FIND_STCB(inp, stcb, s_info->sinfo_assoc_id); 2771 2772 if (stcb) { 2773 memcpy(s_info, &stcb->asoc.def_send, sizeof(stcb->asoc.def_send)); 2774 SCTP_TCB_UNLOCK(stcb); 2775 } else { 2776 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2777 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2778 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2779 (s_info->sinfo_assoc_id == SCTP_FUTURE_ASSOC))) { 2780 SCTP_INP_RLOCK(inp); 2781 memcpy(s_info, &inp->def_send, sizeof(inp->def_send)); 2782 SCTP_INP_RUNLOCK(inp); 2783 } else { 2784 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2785 error = EINVAL; 2786 } 2787 } 2788 if (error == 0) { 2789 *optsize = sizeof(struct sctp_sndrcvinfo); 2790 } 2791 break; 2792 } 2793 case SCTP_INITMSG: 2794 { 2795 struct sctp_initmsg *sinit; 2796 2797 SCTP_CHECK_AND_CAST(sinit, optval, struct sctp_initmsg, *optsize); 2798 SCTP_INP_RLOCK(inp); 2799 sinit->sinit_num_ostreams = inp->sctp_ep.pre_open_stream_count; 2800 sinit->sinit_max_instreams = inp->sctp_ep.max_open_streams_intome; 2801 sinit->sinit_max_attempts = inp->sctp_ep.max_init_times; 2802 sinit->sinit_max_init_timeo = inp->sctp_ep.initial_init_rto_max; 2803 SCTP_INP_RUNLOCK(inp); 2804 *optsize = sizeof(struct sctp_initmsg); 2805 break; 2806 } 2807 case SCTP_PRIMARY_ADDR: 2808 /* we allow a "get" operation on this */ 2809 { 2810 struct sctp_setprim *ssp; 2811 2812 SCTP_CHECK_AND_CAST(ssp, optval, struct sctp_setprim, *optsize); 2813 SCTP_FIND_STCB(inp, stcb, ssp->ssp_assoc_id); 2814 2815 if (stcb) { 2816 union sctp_sockstore *addr; 2817 2818 addr = &stcb->asoc.primary_destination->ro._l_addr; 2819 switch (addr->sa.sa_family) { 2820 #ifdef INET 2821 case AF_INET: 2822 #ifdef INET6 2823 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 2824 in6_sin_2_v4mapsin6(&addr->sin, 2825 (struct sockaddr_in6 *)&ssp->ssp_addr); 2826 } else { 2827 memcpy(&ssp->ssp_addr, &addr->sin, sizeof(struct sockaddr_in)); 2828 } 2829 #else 2830 memcpy(&ssp->ssp_addr, &addr->sin, sizeof(struct sockaddr_in)); 2831 #endif 2832 break; 2833 #endif 2834 #ifdef INET6 2835 case AF_INET6: 2836 memcpy(&ssp->ssp_addr, &addr->sin6, sizeof(struct sockaddr_in6)); 2837 break; 2838 #endif 2839 default: 2840 break; 2841 } 2842 SCTP_TCB_UNLOCK(stcb); 2843 *optsize = sizeof(struct sctp_setprim); 2844 } else { 2845 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2846 error = EINVAL; 2847 } 2848 break; 2849 } 2850 case SCTP_HMAC_IDENT: 2851 { 2852 struct sctp_hmacalgo *shmac; 2853 sctp_hmaclist_t *hmaclist; 2854 size_t size; 2855 int i; 2856 2857 SCTP_CHECK_AND_CAST(shmac, optval, struct sctp_hmacalgo, *optsize); 2858 2859 SCTP_INP_RLOCK(inp); 2860 hmaclist = inp->sctp_ep.local_hmacs; 2861 if (hmaclist == NULL) { 2862 /* no HMACs to return */ 2863 *optsize = sizeof(*shmac); 2864 SCTP_INP_RUNLOCK(inp); 2865 break; 2866 } 2867 /* is there room for all of the hmac ids? */ 2868 size = sizeof(*shmac) + (hmaclist->num_algo * 2869 sizeof(shmac->shmac_idents[0])); 2870 if (*optsize < size) { 2871 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2872 error = EINVAL; 2873 SCTP_INP_RUNLOCK(inp); 2874 break; 2875 } 2876 /* copy in the list */ 2877 shmac->shmac_number_of_idents = hmaclist->num_algo; 2878 for (i = 0; i < hmaclist->num_algo; i++) { 2879 shmac->shmac_idents[i] = hmaclist->hmac[i]; 2880 } 2881 SCTP_INP_RUNLOCK(inp); 2882 *optsize = size; 2883 break; 2884 } 2885 case SCTP_AUTH_ACTIVE_KEY: 2886 { 2887 struct sctp_authkeyid *scact; 2888 2889 SCTP_CHECK_AND_CAST(scact, optval, struct sctp_authkeyid, *optsize); 2890 SCTP_FIND_STCB(inp, stcb, scact->scact_assoc_id); 2891 2892 if (stcb) { 2893 /* get the active key on the assoc */ 2894 scact->scact_keynumber = stcb->asoc.authinfo.active_keyid; 2895 SCTP_TCB_UNLOCK(stcb); 2896 } else { 2897 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2898 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2899 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2900 (scact->scact_assoc_id == SCTP_FUTURE_ASSOC))) { 2901 /* get the endpoint active key */ 2902 SCTP_INP_RLOCK(inp); 2903 scact->scact_keynumber = inp->sctp_ep.default_keyid; 2904 SCTP_INP_RUNLOCK(inp); 2905 } else { 2906 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2907 error = EINVAL; 2908 } 2909 } 2910 if (error == 0) { 2911 *optsize = sizeof(struct sctp_authkeyid); 2912 } 2913 break; 2914 } 2915 case SCTP_LOCAL_AUTH_CHUNKS: 2916 { 2917 struct sctp_authchunks *sac; 2918 sctp_auth_chklist_t *chklist = NULL; 2919 size_t size = 0; 2920 2921 SCTP_CHECK_AND_CAST(sac, optval, struct sctp_authchunks, *optsize); 2922 SCTP_FIND_STCB(inp, stcb, sac->gauth_assoc_id); 2923 2924 if (stcb) { 2925 /* get off the assoc */ 2926 chklist = stcb->asoc.local_auth_chunks; 2927 /* is there enough space? */ 2928 size = sctp_auth_get_chklist_size(chklist); 2929 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2930 error = EINVAL; 2931 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2932 } else { 2933 /* copy in the chunks */ 2934 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 2935 sac->gauth_number_of_chunks = (uint32_t)size; 2936 *optsize = sizeof(struct sctp_authchunks) + size; 2937 } 2938 SCTP_TCB_UNLOCK(stcb); 2939 } else { 2940 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2941 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2942 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2943 (sac->gauth_assoc_id == SCTP_FUTURE_ASSOC))) { 2944 /* get off the endpoint */ 2945 SCTP_INP_RLOCK(inp); 2946 chklist = inp->sctp_ep.local_auth_chunks; 2947 /* is there enough space? */ 2948 size = sctp_auth_get_chklist_size(chklist); 2949 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2950 error = EINVAL; 2951 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2952 } else { 2953 /* copy in the chunks */ 2954 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 2955 sac->gauth_number_of_chunks = (uint32_t)size; 2956 *optsize = sizeof(struct sctp_authchunks) + size; 2957 } 2958 SCTP_INP_RUNLOCK(inp); 2959 } else { 2960 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2961 error = EINVAL; 2962 } 2963 } 2964 break; 2965 } 2966 case SCTP_PEER_AUTH_CHUNKS: 2967 { 2968 struct sctp_authchunks *sac; 2969 sctp_auth_chklist_t *chklist = NULL; 2970 size_t size = 0; 2971 2972 SCTP_CHECK_AND_CAST(sac, optval, struct sctp_authchunks, *optsize); 2973 SCTP_FIND_STCB(inp, stcb, sac->gauth_assoc_id); 2974 2975 if (stcb) { 2976 /* get off the assoc */ 2977 chklist = stcb->asoc.peer_auth_chunks; 2978 /* is there enough space? */ 2979 size = sctp_auth_get_chklist_size(chklist); 2980 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2981 error = EINVAL; 2982 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2983 } else { 2984 /* copy in the chunks */ 2985 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 2986 sac->gauth_number_of_chunks = (uint32_t)size; 2987 *optsize = sizeof(struct sctp_authchunks) + size; 2988 } 2989 SCTP_TCB_UNLOCK(stcb); 2990 } else { 2991 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 2992 error = ENOENT; 2993 } 2994 break; 2995 } 2996 case SCTP_EVENT: 2997 { 2998 struct sctp_event *event; 2999 uint32_t event_type; 3000 3001 SCTP_CHECK_AND_CAST(event, optval, struct sctp_event, *optsize); 3002 SCTP_FIND_STCB(inp, stcb, event->se_assoc_id); 3003 3004 switch (event->se_type) { 3005 case SCTP_ASSOC_CHANGE: 3006 event_type = SCTP_PCB_FLAGS_RECVASSOCEVNT; 3007 break; 3008 case SCTP_PEER_ADDR_CHANGE: 3009 event_type = SCTP_PCB_FLAGS_RECVPADDREVNT; 3010 break; 3011 case SCTP_REMOTE_ERROR: 3012 event_type = SCTP_PCB_FLAGS_RECVPEERERR; 3013 break; 3014 case SCTP_SEND_FAILED: 3015 event_type = SCTP_PCB_FLAGS_RECVSENDFAILEVNT; 3016 break; 3017 case SCTP_SHUTDOWN_EVENT: 3018 event_type = SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT; 3019 break; 3020 case SCTP_ADAPTATION_INDICATION: 3021 event_type = SCTP_PCB_FLAGS_ADAPTATIONEVNT; 3022 break; 3023 case SCTP_PARTIAL_DELIVERY_EVENT: 3024 event_type = SCTP_PCB_FLAGS_PDAPIEVNT; 3025 break; 3026 case SCTP_AUTHENTICATION_EVENT: 3027 event_type = SCTP_PCB_FLAGS_AUTHEVNT; 3028 break; 3029 case SCTP_STREAM_RESET_EVENT: 3030 event_type = SCTP_PCB_FLAGS_STREAM_RESETEVNT; 3031 break; 3032 case SCTP_SENDER_DRY_EVENT: 3033 event_type = SCTP_PCB_FLAGS_DRYEVNT; 3034 break; 3035 case SCTP_NOTIFICATIONS_STOPPED_EVENT: 3036 event_type = 0; 3037 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 3038 error = ENOTSUP; 3039 break; 3040 case SCTP_ASSOC_RESET_EVENT: 3041 event_type = SCTP_PCB_FLAGS_ASSOC_RESETEVNT; 3042 break; 3043 case SCTP_STREAM_CHANGE_EVENT: 3044 event_type = SCTP_PCB_FLAGS_STREAM_CHANGEEVNT; 3045 break; 3046 case SCTP_SEND_FAILED_EVENT: 3047 event_type = SCTP_PCB_FLAGS_RECVNSENDFAILEVNT; 3048 break; 3049 default: 3050 event_type = 0; 3051 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3052 error = EINVAL; 3053 break; 3054 } 3055 if (event_type > 0) { 3056 if (stcb) { 3057 event->se_on = sctp_stcb_is_feature_on(inp, stcb, event_type); 3058 } else { 3059 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3060 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3061 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3062 (event->se_assoc_id == SCTP_FUTURE_ASSOC))) { 3063 SCTP_INP_RLOCK(inp); 3064 event->se_on = sctp_is_feature_on(inp, event_type); 3065 SCTP_INP_RUNLOCK(inp); 3066 } else { 3067 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3068 error = EINVAL; 3069 } 3070 } 3071 } 3072 if (stcb != NULL) { 3073 SCTP_TCB_UNLOCK(stcb); 3074 } 3075 if (error == 0) { 3076 *optsize = sizeof(struct sctp_event); 3077 } 3078 break; 3079 } 3080 case SCTP_RECVRCVINFO: 3081 if (*optsize < sizeof(int)) { 3082 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3083 error = EINVAL; 3084 } else { 3085 SCTP_INP_RLOCK(inp); 3086 *(int *)optval = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 3087 SCTP_INP_RUNLOCK(inp); 3088 *optsize = sizeof(int); 3089 } 3090 break; 3091 case SCTP_RECVNXTINFO: 3092 if (*optsize < sizeof(int)) { 3093 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3094 error = EINVAL; 3095 } else { 3096 SCTP_INP_RLOCK(inp); 3097 *(int *)optval = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 3098 SCTP_INP_RUNLOCK(inp); 3099 *optsize = sizeof(int); 3100 } 3101 break; 3102 case SCTP_DEFAULT_SNDINFO: 3103 { 3104 struct sctp_sndinfo *info; 3105 3106 SCTP_CHECK_AND_CAST(info, optval, struct sctp_sndinfo, *optsize); 3107 SCTP_FIND_STCB(inp, stcb, info->snd_assoc_id); 3108 3109 if (stcb) { 3110 info->snd_sid = stcb->asoc.def_send.sinfo_stream; 3111 info->snd_flags = stcb->asoc.def_send.sinfo_flags; 3112 info->snd_flags &= 0xfff0; 3113 info->snd_ppid = stcb->asoc.def_send.sinfo_ppid; 3114 info->snd_context = stcb->asoc.def_send.sinfo_context; 3115 SCTP_TCB_UNLOCK(stcb); 3116 } else { 3117 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3118 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3119 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3120 (info->snd_assoc_id == SCTP_FUTURE_ASSOC))) { 3121 SCTP_INP_RLOCK(inp); 3122 info->snd_sid = inp->def_send.sinfo_stream; 3123 info->snd_flags = inp->def_send.sinfo_flags; 3124 info->snd_flags &= 0xfff0; 3125 info->snd_ppid = inp->def_send.sinfo_ppid; 3126 info->snd_context = inp->def_send.sinfo_context; 3127 SCTP_INP_RUNLOCK(inp); 3128 } else { 3129 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3130 error = EINVAL; 3131 } 3132 } 3133 if (error == 0) { 3134 *optsize = sizeof(struct sctp_sndinfo); 3135 } 3136 break; 3137 } 3138 case SCTP_DEFAULT_PRINFO: 3139 { 3140 struct sctp_default_prinfo *info; 3141 3142 SCTP_CHECK_AND_CAST(info, optval, struct sctp_default_prinfo, *optsize); 3143 SCTP_FIND_STCB(inp, stcb, info->pr_assoc_id); 3144 3145 if (stcb) { 3146 info->pr_policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 3147 info->pr_value = stcb->asoc.def_send.sinfo_timetolive; 3148 SCTP_TCB_UNLOCK(stcb); 3149 } else { 3150 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3151 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3152 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3153 (info->pr_assoc_id == SCTP_FUTURE_ASSOC))) { 3154 SCTP_INP_RLOCK(inp); 3155 info->pr_policy = PR_SCTP_POLICY(inp->def_send.sinfo_flags); 3156 info->pr_value = inp->def_send.sinfo_timetolive; 3157 SCTP_INP_RUNLOCK(inp); 3158 } else { 3159 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3160 error = EINVAL; 3161 } 3162 } 3163 if (error == 0) { 3164 *optsize = sizeof(struct sctp_default_prinfo); 3165 } 3166 break; 3167 } 3168 case SCTP_PEER_ADDR_THLDS: 3169 { 3170 struct sctp_paddrthlds *thlds; 3171 struct sctp_nets *net; 3172 struct sockaddr *addr; 3173 #if defined(INET) && defined(INET6) 3174 struct sockaddr_in sin_store; 3175 #endif 3176 3177 SCTP_CHECK_AND_CAST(thlds, optval, struct sctp_paddrthlds, *optsize); 3178 SCTP_FIND_STCB(inp, stcb, thlds->spt_assoc_id); 3179 3180 #if defined(INET) && defined(INET6) 3181 if (thlds->spt_address.ss_family == AF_INET6) { 3182 struct sockaddr_in6 *sin6; 3183 3184 sin6 = (struct sockaddr_in6 *)&thlds->spt_address; 3185 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 3186 in6_sin6_2_sin(&sin_store, sin6); 3187 addr = (struct sockaddr *)&sin_store; 3188 } else { 3189 addr = (struct sockaddr *)&thlds->spt_address; 3190 } 3191 } else { 3192 addr = (struct sockaddr *)&thlds->spt_address; 3193 } 3194 #else 3195 addr = (struct sockaddr *)&thlds->spt_address; 3196 #endif 3197 if (stcb != NULL) { 3198 net = sctp_findnet(stcb, addr); 3199 } else { 3200 /* 3201 * We increment here since 3202 * sctp_findassociation_ep_addr() wil do a 3203 * decrement if it finds the stcb as long as 3204 * the locked tcb (last argument) is NOT a 3205 * TCB.. aka NULL. 3206 */ 3207 net = NULL; 3208 SCTP_INP_INCR_REF(inp); 3209 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 3210 if (stcb == NULL) { 3211 SCTP_INP_DECR_REF(inp); 3212 } 3213 } 3214 if ((stcb != NULL) && (net == NULL)) { 3215 #ifdef INET 3216 if (addr->sa_family == AF_INET) { 3217 struct sockaddr_in *sin; 3218 3219 sin = (struct sockaddr_in *)addr; 3220 if (sin->sin_addr.s_addr != INADDR_ANY) { 3221 error = EINVAL; 3222 SCTP_TCB_UNLOCK(stcb); 3223 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3224 break; 3225 } 3226 } else 3227 #endif 3228 #ifdef INET6 3229 if (addr->sa_family == AF_INET6) { 3230 struct sockaddr_in6 *sin6; 3231 3232 sin6 = (struct sockaddr_in6 *)addr; 3233 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 3234 error = EINVAL; 3235 SCTP_TCB_UNLOCK(stcb); 3236 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3237 break; 3238 } 3239 } else 3240 #endif 3241 { 3242 error = EAFNOSUPPORT; 3243 SCTP_TCB_UNLOCK(stcb); 3244 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3245 break; 3246 } 3247 } 3248 3249 if (stcb != NULL) { 3250 if (net != NULL) { 3251 thlds->spt_pathmaxrxt = net->failure_threshold; 3252 thlds->spt_pathpfthld = net->pf_threshold; 3253 thlds->spt_pathcpthld = 0xffff; 3254 } else { 3255 thlds->spt_pathmaxrxt = stcb->asoc.def_net_failure; 3256 thlds->spt_pathpfthld = stcb->asoc.def_net_pf_threshold; 3257 thlds->spt_pathcpthld = 0xffff; 3258 } 3259 thlds->spt_assoc_id = sctp_get_associd(stcb); 3260 SCTP_TCB_UNLOCK(stcb); 3261 } else { 3262 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3263 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3264 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3265 (thlds->spt_assoc_id == SCTP_FUTURE_ASSOC))) { 3266 /* Use endpoint defaults */ 3267 SCTP_INP_RLOCK(inp); 3268 thlds->spt_pathmaxrxt = inp->sctp_ep.def_net_failure; 3269 thlds->spt_pathpfthld = inp->sctp_ep.def_net_pf_threshold; 3270 thlds->spt_pathcpthld = 0xffff; 3271 SCTP_INP_RUNLOCK(inp); 3272 } else { 3273 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3274 error = EINVAL; 3275 } 3276 } 3277 if (error == 0) { 3278 *optsize = sizeof(struct sctp_paddrthlds); 3279 } 3280 break; 3281 } 3282 case SCTP_REMOTE_UDP_ENCAPS_PORT: 3283 { 3284 struct sctp_udpencaps *encaps; 3285 struct sctp_nets *net; 3286 struct sockaddr *addr; 3287 #if defined(INET) && defined(INET6) 3288 struct sockaddr_in sin_store; 3289 #endif 3290 3291 SCTP_CHECK_AND_CAST(encaps, optval, struct sctp_udpencaps, *optsize); 3292 SCTP_FIND_STCB(inp, stcb, encaps->sue_assoc_id); 3293 3294 #if defined(INET) && defined(INET6) 3295 if (encaps->sue_address.ss_family == AF_INET6) { 3296 struct sockaddr_in6 *sin6; 3297 3298 sin6 = (struct sockaddr_in6 *)&encaps->sue_address; 3299 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 3300 in6_sin6_2_sin(&sin_store, sin6); 3301 addr = (struct sockaddr *)&sin_store; 3302 } else { 3303 addr = (struct sockaddr *)&encaps->sue_address; 3304 } 3305 } else { 3306 addr = (struct sockaddr *)&encaps->sue_address; 3307 } 3308 #else 3309 addr = (struct sockaddr *)&encaps->sue_address; 3310 #endif 3311 if (stcb) { 3312 net = sctp_findnet(stcb, addr); 3313 } else { 3314 /* 3315 * We increment here since 3316 * sctp_findassociation_ep_addr() wil do a 3317 * decrement if it finds the stcb as long as 3318 * the locked tcb (last argument) is NOT a 3319 * TCB.. aka NULL. 3320 */ 3321 net = NULL; 3322 SCTP_INP_INCR_REF(inp); 3323 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 3324 if (stcb == NULL) { 3325 SCTP_INP_DECR_REF(inp); 3326 } 3327 } 3328 if ((stcb != NULL) && (net == NULL)) { 3329 #ifdef INET 3330 if (addr->sa_family == AF_INET) { 3331 struct sockaddr_in *sin; 3332 3333 sin = (struct sockaddr_in *)addr; 3334 if (sin->sin_addr.s_addr != INADDR_ANY) { 3335 error = EINVAL; 3336 SCTP_TCB_UNLOCK(stcb); 3337 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3338 break; 3339 } 3340 } else 3341 #endif 3342 #ifdef INET6 3343 if (addr->sa_family == AF_INET6) { 3344 struct sockaddr_in6 *sin6; 3345 3346 sin6 = (struct sockaddr_in6 *)addr; 3347 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 3348 error = EINVAL; 3349 SCTP_TCB_UNLOCK(stcb); 3350 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3351 break; 3352 } 3353 } else 3354 #endif 3355 { 3356 error = EAFNOSUPPORT; 3357 SCTP_TCB_UNLOCK(stcb); 3358 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3359 break; 3360 } 3361 } 3362 3363 if (stcb != NULL) { 3364 if (net) { 3365 encaps->sue_port = net->port; 3366 } else { 3367 encaps->sue_port = stcb->asoc.port; 3368 } 3369 SCTP_TCB_UNLOCK(stcb); 3370 } else { 3371 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3372 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3373 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3374 (encaps->sue_assoc_id == SCTP_FUTURE_ASSOC))) { 3375 SCTP_INP_RLOCK(inp); 3376 encaps->sue_port = inp->sctp_ep.port; 3377 SCTP_INP_RUNLOCK(inp); 3378 } else { 3379 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3380 error = EINVAL; 3381 } 3382 } 3383 if (error == 0) { 3384 *optsize = sizeof(struct sctp_udpencaps); 3385 } 3386 break; 3387 } 3388 case SCTP_ECN_SUPPORTED: 3389 { 3390 struct sctp_assoc_value *av; 3391 3392 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3393 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3394 3395 if (stcb) { 3396 av->assoc_value = stcb->asoc.ecn_supported; 3397 SCTP_TCB_UNLOCK(stcb); 3398 } else { 3399 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3400 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3401 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3402 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3403 SCTP_INP_RLOCK(inp); 3404 av->assoc_value = inp->ecn_supported; 3405 SCTP_INP_RUNLOCK(inp); 3406 } else { 3407 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3408 error = EINVAL; 3409 } 3410 } 3411 if (error == 0) { 3412 *optsize = sizeof(struct sctp_assoc_value); 3413 } 3414 break; 3415 } 3416 case SCTP_PR_SUPPORTED: 3417 { 3418 struct sctp_assoc_value *av; 3419 3420 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3421 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3422 3423 if (stcb) { 3424 av->assoc_value = stcb->asoc.prsctp_supported; 3425 SCTP_TCB_UNLOCK(stcb); 3426 } else { 3427 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3428 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3429 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3430 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3431 SCTP_INP_RLOCK(inp); 3432 av->assoc_value = inp->prsctp_supported; 3433 SCTP_INP_RUNLOCK(inp); 3434 } else { 3435 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3436 error = EINVAL; 3437 } 3438 } 3439 if (error == 0) { 3440 *optsize = sizeof(struct sctp_assoc_value); 3441 } 3442 break; 3443 } 3444 case SCTP_AUTH_SUPPORTED: 3445 { 3446 struct sctp_assoc_value *av; 3447 3448 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3449 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3450 3451 if (stcb) { 3452 av->assoc_value = stcb->asoc.auth_supported; 3453 SCTP_TCB_UNLOCK(stcb); 3454 } else { 3455 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3456 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3457 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3458 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3459 SCTP_INP_RLOCK(inp); 3460 av->assoc_value = inp->auth_supported; 3461 SCTP_INP_RUNLOCK(inp); 3462 } else { 3463 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3464 error = EINVAL; 3465 } 3466 } 3467 if (error == 0) { 3468 *optsize = sizeof(struct sctp_assoc_value); 3469 } 3470 break; 3471 } 3472 case SCTP_ASCONF_SUPPORTED: 3473 { 3474 struct sctp_assoc_value *av; 3475 3476 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3477 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3478 3479 if (stcb) { 3480 av->assoc_value = stcb->asoc.asconf_supported; 3481 SCTP_TCB_UNLOCK(stcb); 3482 } else { 3483 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3484 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3485 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3486 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3487 SCTP_INP_RLOCK(inp); 3488 av->assoc_value = inp->asconf_supported; 3489 SCTP_INP_RUNLOCK(inp); 3490 } else { 3491 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3492 error = EINVAL; 3493 } 3494 } 3495 if (error == 0) { 3496 *optsize = sizeof(struct sctp_assoc_value); 3497 } 3498 break; 3499 } 3500 case SCTP_RECONFIG_SUPPORTED: 3501 { 3502 struct sctp_assoc_value *av; 3503 3504 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3505 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3506 3507 if (stcb) { 3508 av->assoc_value = stcb->asoc.reconfig_supported; 3509 SCTP_TCB_UNLOCK(stcb); 3510 } else { 3511 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3512 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3513 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3514 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3515 SCTP_INP_RLOCK(inp); 3516 av->assoc_value = inp->reconfig_supported; 3517 SCTP_INP_RUNLOCK(inp); 3518 } else { 3519 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3520 error = EINVAL; 3521 } 3522 } 3523 if (error == 0) { 3524 *optsize = sizeof(struct sctp_assoc_value); 3525 } 3526 break; 3527 } 3528 case SCTP_NRSACK_SUPPORTED: 3529 { 3530 struct sctp_assoc_value *av; 3531 3532 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3533 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3534 3535 if (stcb) { 3536 av->assoc_value = stcb->asoc.nrsack_supported; 3537 SCTP_TCB_UNLOCK(stcb); 3538 } else { 3539 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3540 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3541 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3542 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3543 SCTP_INP_RLOCK(inp); 3544 av->assoc_value = inp->nrsack_supported; 3545 SCTP_INP_RUNLOCK(inp); 3546 } else { 3547 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3548 error = EINVAL; 3549 } 3550 } 3551 if (error == 0) { 3552 *optsize = sizeof(struct sctp_assoc_value); 3553 } 3554 break; 3555 } 3556 case SCTP_PKTDROP_SUPPORTED: 3557 { 3558 struct sctp_assoc_value *av; 3559 3560 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3561 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3562 3563 if (stcb) { 3564 av->assoc_value = stcb->asoc.pktdrop_supported; 3565 SCTP_TCB_UNLOCK(stcb); 3566 } else { 3567 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3568 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3569 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3570 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3571 SCTP_INP_RLOCK(inp); 3572 av->assoc_value = inp->pktdrop_supported; 3573 SCTP_INP_RUNLOCK(inp); 3574 } else { 3575 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3576 error = EINVAL; 3577 } 3578 } 3579 if (error == 0) { 3580 *optsize = sizeof(struct sctp_assoc_value); 3581 } 3582 break; 3583 } 3584 case SCTP_ENABLE_STREAM_RESET: 3585 { 3586 struct sctp_assoc_value *av; 3587 3588 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3589 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3590 3591 if (stcb) { 3592 av->assoc_value = (uint32_t)stcb->asoc.local_strreset_support; 3593 SCTP_TCB_UNLOCK(stcb); 3594 } else { 3595 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3596 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3597 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3598 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3599 SCTP_INP_RLOCK(inp); 3600 av->assoc_value = (uint32_t)inp->local_strreset_support; 3601 SCTP_INP_RUNLOCK(inp); 3602 } else { 3603 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3604 error = EINVAL; 3605 } 3606 } 3607 if (error == 0) { 3608 *optsize = sizeof(struct sctp_assoc_value); 3609 } 3610 break; 3611 } 3612 case SCTP_PR_STREAM_STATUS: 3613 { 3614 struct sctp_prstatus *sprstat; 3615 uint16_t sid; 3616 uint16_t policy; 3617 3618 SCTP_CHECK_AND_CAST(sprstat, optval, struct sctp_prstatus, *optsize); 3619 SCTP_FIND_STCB(inp, stcb, sprstat->sprstat_assoc_id); 3620 3621 sid = sprstat->sprstat_sid; 3622 policy = sprstat->sprstat_policy; 3623 #if defined(SCTP_DETAILED_STR_STATS) 3624 if ((stcb != NULL) && 3625 (sid < stcb->asoc.streamoutcnt) && 3626 (policy != SCTP_PR_SCTP_NONE) && 3627 ((policy <= SCTP_PR_SCTP_MAX) || 3628 (policy == SCTP_PR_SCTP_ALL))) { 3629 if (policy == SCTP_PR_SCTP_ALL) { 3630 sprstat->sprstat_abandoned_unsent = stcb->asoc.strmout[sid].abandoned_unsent[0]; 3631 sprstat->sprstat_abandoned_sent = stcb->asoc.strmout[sid].abandoned_sent[0]; 3632 } else { 3633 sprstat->sprstat_abandoned_unsent = stcb->asoc.strmout[sid].abandoned_unsent[policy]; 3634 sprstat->sprstat_abandoned_sent = stcb->asoc.strmout[sid].abandoned_sent[policy]; 3635 } 3636 #else 3637 if ((stcb != NULL) && 3638 (sid < stcb->asoc.streamoutcnt) && 3639 (policy == SCTP_PR_SCTP_ALL)) { 3640 sprstat->sprstat_abandoned_unsent = stcb->asoc.strmout[sid].abandoned_unsent[0]; 3641 sprstat->sprstat_abandoned_sent = stcb->asoc.strmout[sid].abandoned_sent[0]; 3642 #endif 3643 } else { 3644 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3645 error = EINVAL; 3646 } 3647 if (stcb != NULL) { 3648 SCTP_TCB_UNLOCK(stcb); 3649 } 3650 if (error == 0) { 3651 *optsize = sizeof(struct sctp_prstatus); 3652 } 3653 break; 3654 } 3655 case SCTP_PR_ASSOC_STATUS: 3656 { 3657 struct sctp_prstatus *sprstat; 3658 uint16_t policy; 3659 3660 SCTP_CHECK_AND_CAST(sprstat, optval, struct sctp_prstatus, *optsize); 3661 SCTP_FIND_STCB(inp, stcb, sprstat->sprstat_assoc_id); 3662 3663 policy = sprstat->sprstat_policy; 3664 if ((stcb != NULL) && 3665 (policy != SCTP_PR_SCTP_NONE) && 3666 ((policy <= SCTP_PR_SCTP_MAX) || 3667 (policy == SCTP_PR_SCTP_ALL))) { 3668 if (policy == SCTP_PR_SCTP_ALL) { 3669 sprstat->sprstat_abandoned_unsent = stcb->asoc.abandoned_unsent[0]; 3670 sprstat->sprstat_abandoned_sent = stcb->asoc.abandoned_sent[0]; 3671 } else { 3672 sprstat->sprstat_abandoned_unsent = stcb->asoc.abandoned_unsent[policy]; 3673 sprstat->sprstat_abandoned_sent = stcb->asoc.abandoned_sent[policy]; 3674 } 3675 } else { 3676 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3677 error = EINVAL; 3678 } 3679 if (stcb != NULL) { 3680 SCTP_TCB_UNLOCK(stcb); 3681 } 3682 if (error == 0) { 3683 *optsize = sizeof(struct sctp_prstatus); 3684 } 3685 break; 3686 } 3687 case SCTP_MAX_CWND: 3688 { 3689 struct sctp_assoc_value *av; 3690 3691 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3692 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3693 3694 if (stcb) { 3695 av->assoc_value = stcb->asoc.max_cwnd; 3696 SCTP_TCB_UNLOCK(stcb); 3697 } else { 3698 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3699 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3700 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3701 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3702 SCTP_INP_RLOCK(inp); 3703 av->assoc_value = inp->max_cwnd; 3704 SCTP_INP_RUNLOCK(inp); 3705 } else { 3706 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3707 error = EINVAL; 3708 } 3709 } 3710 if (error == 0) { 3711 *optsize = sizeof(struct sctp_assoc_value); 3712 } 3713 break; 3714 } 3715 default: 3716 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 3717 error = ENOPROTOOPT; 3718 break; 3719 } /* end switch (sopt->sopt_name) */ 3720 if (error) { 3721 *optsize = 0; 3722 } 3723 return (error); 3724 } 3725 3726 static int 3727 sctp_setopt(struct socket *so, int optname, void *optval, size_t optsize, 3728 void *p) 3729 { 3730 int error, set_opt; 3731 uint32_t *mopt; 3732 struct sctp_tcb *stcb = NULL; 3733 struct sctp_inpcb *inp = NULL; 3734 uint32_t vrf_id; 3735 3736 if (optval == NULL) { 3737 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3738 return (EINVAL); 3739 } 3740 inp = (struct sctp_inpcb *)so->so_pcb; 3741 if (inp == NULL) { 3742 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3743 return (EINVAL); 3744 } 3745 vrf_id = inp->def_vrf_id; 3746 3747 error = 0; 3748 switch (optname) { 3749 case SCTP_NODELAY: 3750 case SCTP_AUTOCLOSE: 3751 case SCTP_AUTO_ASCONF: 3752 case SCTP_EXPLICIT_EOR: 3753 case SCTP_DISABLE_FRAGMENTS: 3754 case SCTP_USE_EXT_RCVINFO: 3755 case SCTP_I_WANT_MAPPED_V4_ADDR: 3756 /* copy in the option value */ 3757 SCTP_CHECK_AND_CAST(mopt, optval, uint32_t, optsize); 3758 set_opt = 0; 3759 if (error) 3760 break; 3761 switch (optname) { 3762 case SCTP_DISABLE_FRAGMENTS: 3763 set_opt = SCTP_PCB_FLAGS_NO_FRAGMENT; 3764 break; 3765 case SCTP_AUTO_ASCONF: 3766 /* 3767 * NOTE: we don't really support this flag 3768 */ 3769 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 3770 /* only valid for bound all sockets */ 3771 if ((SCTP_BASE_SYSCTL(sctp_auto_asconf) == 0) && 3772 (*mopt != 0)) { 3773 /* forbidden by admin */ 3774 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EPERM); 3775 return (EPERM); 3776 } 3777 set_opt = SCTP_PCB_FLAGS_AUTO_ASCONF; 3778 } else { 3779 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3780 return (EINVAL); 3781 } 3782 break; 3783 case SCTP_EXPLICIT_EOR: 3784 set_opt = SCTP_PCB_FLAGS_EXPLICIT_EOR; 3785 break; 3786 case SCTP_USE_EXT_RCVINFO: 3787 set_opt = SCTP_PCB_FLAGS_EXT_RCVINFO; 3788 break; 3789 case SCTP_I_WANT_MAPPED_V4_ADDR: 3790 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 3791 set_opt = SCTP_PCB_FLAGS_NEEDS_MAPPED_V4; 3792 } else { 3793 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3794 return (EINVAL); 3795 } 3796 break; 3797 case SCTP_NODELAY: 3798 set_opt = SCTP_PCB_FLAGS_NODELAY; 3799 break; 3800 case SCTP_AUTOCLOSE: 3801 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3802 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 3803 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3804 return (EINVAL); 3805 } 3806 set_opt = SCTP_PCB_FLAGS_AUTOCLOSE; 3807 /* 3808 * The value is in ticks. Note this does not effect 3809 * old associations, only new ones. 3810 */ 3811 inp->sctp_ep.auto_close_time = sctp_secs_to_ticks(*mopt); 3812 break; 3813 } 3814 SCTP_INP_WLOCK(inp); 3815 if (*mopt != 0) { 3816 sctp_feature_on(inp, set_opt); 3817 } else { 3818 sctp_feature_off(inp, set_opt); 3819 } 3820 SCTP_INP_WUNLOCK(inp); 3821 break; 3822 case SCTP_REUSE_PORT: 3823 { 3824 SCTP_CHECK_AND_CAST(mopt, optval, uint32_t, optsize); 3825 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 0) { 3826 /* Can't set it after we are bound */ 3827 error = EINVAL; 3828 break; 3829 } 3830 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE)) { 3831 /* Can't do this for a 1-m socket */ 3832 error = EINVAL; 3833 break; 3834 } 3835 if (optval) 3836 sctp_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE); 3837 else 3838 sctp_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE); 3839 break; 3840 } 3841 case SCTP_PARTIAL_DELIVERY_POINT: 3842 { 3843 uint32_t *value; 3844 3845 SCTP_CHECK_AND_CAST(value, optval, uint32_t, optsize); 3846 if (*value > SCTP_SB_LIMIT_RCV(so)) { 3847 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3848 error = EINVAL; 3849 break; 3850 } 3851 inp->partial_delivery_point = *value; 3852 break; 3853 } 3854 case SCTP_FRAGMENT_INTERLEAVE: 3855 /* not yet until we re-write sctp_recvmsg() */ 3856 { 3857 uint32_t *level; 3858 3859 SCTP_CHECK_AND_CAST(level, optval, uint32_t, optsize); 3860 if (*level == SCTP_FRAG_LEVEL_2) { 3861 sctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3862 sctp_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3863 } else if (*level == SCTP_FRAG_LEVEL_1) { 3864 sctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3865 sctp_feature_off(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3866 } else if (*level == SCTP_FRAG_LEVEL_0) { 3867 sctp_feature_off(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3868 sctp_feature_off(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3869 3870 } else { 3871 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3872 error = EINVAL; 3873 } 3874 break; 3875 } 3876 case SCTP_INTERLEAVING_SUPPORTED: 3877 { 3878 struct sctp_assoc_value *av; 3879 3880 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3881 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3882 3883 if (stcb) { 3884 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3885 error = EINVAL; 3886 SCTP_TCB_UNLOCK(stcb); 3887 } else { 3888 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3889 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3890 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3891 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3892 SCTP_INP_WLOCK(inp); 3893 if (av->assoc_value == 0) { 3894 inp->idata_supported = 0; 3895 } else { 3896 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE)) && 3897 (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS))) { 3898 inp->idata_supported = 1; 3899 } else { 3900 /* 3901 * Must have Frag 3902 * interleave and 3903 * stream interleave 3904 * on 3905 */ 3906 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3907 error = EINVAL; 3908 } 3909 } 3910 SCTP_INP_WUNLOCK(inp); 3911 } else { 3912 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3913 error = EINVAL; 3914 } 3915 } 3916 break; 3917 } 3918 case SCTP_CMT_ON_OFF: 3919 if (SCTP_BASE_SYSCTL(sctp_cmt_on_off)) { 3920 struct sctp_assoc_value *av; 3921 3922 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3923 if (av->assoc_value > SCTP_CMT_MAX) { 3924 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3925 error = EINVAL; 3926 break; 3927 } 3928 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3929 if (stcb) { 3930 stcb->asoc.sctp_cmt_on_off = av->assoc_value; 3931 SCTP_TCB_UNLOCK(stcb); 3932 } else { 3933 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3934 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3935 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3936 ((av->assoc_id == SCTP_FUTURE_ASSOC) || 3937 (av->assoc_id == SCTP_ALL_ASSOC)))) { 3938 SCTP_INP_WLOCK(inp); 3939 inp->sctp_cmt_on_off = av->assoc_value; 3940 SCTP_INP_WUNLOCK(inp); 3941 } 3942 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3943 ((av->assoc_id == SCTP_CURRENT_ASSOC) || 3944 (av->assoc_id == SCTP_ALL_ASSOC))) { 3945 SCTP_INP_RLOCK(inp); 3946 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3947 SCTP_TCB_LOCK(stcb); 3948 stcb->asoc.sctp_cmt_on_off = av->assoc_value; 3949 SCTP_TCB_UNLOCK(stcb); 3950 } 3951 SCTP_INP_RUNLOCK(inp); 3952 } 3953 } 3954 } else { 3955 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 3956 error = ENOPROTOOPT; 3957 } 3958 break; 3959 case SCTP_PLUGGABLE_CC: 3960 { 3961 struct sctp_assoc_value *av; 3962 struct sctp_nets *net; 3963 3964 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3965 if ((av->assoc_value != SCTP_CC_RFC2581) && 3966 (av->assoc_value != SCTP_CC_HSTCP) && 3967 (av->assoc_value != SCTP_CC_HTCP) && 3968 (av->assoc_value != SCTP_CC_RTCC)) { 3969 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3970 error = EINVAL; 3971 break; 3972 } 3973 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3974 if (stcb) { 3975 stcb->asoc.cc_functions = sctp_cc_functions[av->assoc_value]; 3976 stcb->asoc.congestion_control_module = av->assoc_value; 3977 if (stcb->asoc.cc_functions.sctp_set_initial_cc_param != NULL) { 3978 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 3979 stcb->asoc.cc_functions.sctp_set_initial_cc_param(stcb, net); 3980 } 3981 } 3982 SCTP_TCB_UNLOCK(stcb); 3983 } else { 3984 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3985 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3986 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3987 ((av->assoc_id == SCTP_FUTURE_ASSOC) || 3988 (av->assoc_id == SCTP_ALL_ASSOC)))) { 3989 SCTP_INP_WLOCK(inp); 3990 inp->sctp_ep.sctp_default_cc_module = av->assoc_value; 3991 SCTP_INP_WUNLOCK(inp); 3992 } 3993 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3994 ((av->assoc_id == SCTP_CURRENT_ASSOC) || 3995 (av->assoc_id == SCTP_ALL_ASSOC))) { 3996 SCTP_INP_RLOCK(inp); 3997 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3998 SCTP_TCB_LOCK(stcb); 3999 stcb->asoc.cc_functions = sctp_cc_functions[av->assoc_value]; 4000 stcb->asoc.congestion_control_module = av->assoc_value; 4001 if (stcb->asoc.cc_functions.sctp_set_initial_cc_param != NULL) { 4002 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 4003 stcb->asoc.cc_functions.sctp_set_initial_cc_param(stcb, net); 4004 } 4005 } 4006 SCTP_TCB_UNLOCK(stcb); 4007 } 4008 SCTP_INP_RUNLOCK(inp); 4009 } 4010 } 4011 break; 4012 } 4013 case SCTP_CC_OPTION: 4014 { 4015 struct sctp_cc_option *cc_opt; 4016 4017 SCTP_CHECK_AND_CAST(cc_opt, optval, struct sctp_cc_option, optsize); 4018 SCTP_FIND_STCB(inp, stcb, cc_opt->aid_value.assoc_id); 4019 if (stcb == NULL) { 4020 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4021 (cc_opt->aid_value.assoc_id == SCTP_CURRENT_ASSOC)) { 4022 SCTP_INP_RLOCK(inp); 4023 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4024 SCTP_TCB_LOCK(stcb); 4025 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option) { 4026 (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 1, cc_opt); 4027 } 4028 SCTP_TCB_UNLOCK(stcb); 4029 } 4030 SCTP_INP_RUNLOCK(inp); 4031 } else { 4032 error = EINVAL; 4033 } 4034 } else { 4035 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option == NULL) { 4036 error = ENOTSUP; 4037 } else { 4038 error = (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 1, 4039 cc_opt); 4040 } 4041 SCTP_TCB_UNLOCK(stcb); 4042 } 4043 break; 4044 } 4045 case SCTP_PLUGGABLE_SS: 4046 { 4047 struct sctp_assoc_value *av; 4048 4049 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4050 if ((av->assoc_value != SCTP_SS_DEFAULT) && 4051 (av->assoc_value != SCTP_SS_ROUND_ROBIN) && 4052 (av->assoc_value != SCTP_SS_ROUND_ROBIN_PACKET) && 4053 (av->assoc_value != SCTP_SS_PRIORITY) && 4054 (av->assoc_value != SCTP_SS_FAIR_BANDWITH) && 4055 (av->assoc_value != SCTP_SS_FIRST_COME)) { 4056 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4057 error = EINVAL; 4058 break; 4059 } 4060 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4061 if (stcb) { 4062 SCTP_TCB_SEND_LOCK(stcb); 4063 stcb->asoc.ss_functions.sctp_ss_clear(stcb, &stcb->asoc, true); 4064 stcb->asoc.ss_functions = sctp_ss_functions[av->assoc_value]; 4065 stcb->asoc.stream_scheduling_module = av->assoc_value; 4066 stcb->asoc.ss_functions.sctp_ss_init(stcb, &stcb->asoc); 4067 SCTP_TCB_SEND_UNLOCK(stcb); 4068 SCTP_TCB_UNLOCK(stcb); 4069 } else { 4070 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4071 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4072 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4073 ((av->assoc_id == SCTP_FUTURE_ASSOC) || 4074 (av->assoc_id == SCTP_ALL_ASSOC)))) { 4075 SCTP_INP_WLOCK(inp); 4076 inp->sctp_ep.sctp_default_ss_module = av->assoc_value; 4077 SCTP_INP_WUNLOCK(inp); 4078 } 4079 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4080 ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4081 (av->assoc_id == SCTP_ALL_ASSOC))) { 4082 SCTP_INP_RLOCK(inp); 4083 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4084 SCTP_TCB_LOCK(stcb); 4085 SCTP_TCB_SEND_LOCK(stcb); 4086 stcb->asoc.ss_functions.sctp_ss_clear(stcb, &stcb->asoc, true); 4087 stcb->asoc.ss_functions = sctp_ss_functions[av->assoc_value]; 4088 stcb->asoc.stream_scheduling_module = av->assoc_value; 4089 stcb->asoc.ss_functions.sctp_ss_init(stcb, &stcb->asoc); 4090 SCTP_TCB_SEND_UNLOCK(stcb); 4091 SCTP_TCB_UNLOCK(stcb); 4092 } 4093 SCTP_INP_RUNLOCK(inp); 4094 } 4095 } 4096 break; 4097 } 4098 case SCTP_SS_VALUE: 4099 { 4100 struct sctp_stream_value *av; 4101 4102 SCTP_CHECK_AND_CAST(av, optval, struct sctp_stream_value, optsize); 4103 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4104 if (stcb) { 4105 if ((av->stream_id >= stcb->asoc.streamoutcnt) || 4106 (stcb->asoc.ss_functions.sctp_ss_set_value(stcb, &stcb->asoc, &stcb->asoc.strmout[av->stream_id], 4107 av->stream_value) < 0)) { 4108 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4109 error = EINVAL; 4110 } 4111 SCTP_TCB_UNLOCK(stcb); 4112 } else { 4113 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4114 (av->assoc_id == SCTP_CURRENT_ASSOC)) { 4115 SCTP_INP_RLOCK(inp); 4116 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4117 SCTP_TCB_LOCK(stcb); 4118 if (av->stream_id < stcb->asoc.streamoutcnt) { 4119 stcb->asoc.ss_functions.sctp_ss_set_value(stcb, 4120 &stcb->asoc, 4121 &stcb->asoc.strmout[av->stream_id], 4122 av->stream_value); 4123 } 4124 SCTP_TCB_UNLOCK(stcb); 4125 } 4126 SCTP_INP_RUNLOCK(inp); 4127 } else { 4128 /* 4129 * Can't set stream value without 4130 * association 4131 */ 4132 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4133 error = EINVAL; 4134 } 4135 } 4136 break; 4137 } 4138 case SCTP_CLR_STAT_LOG: 4139 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4140 error = EOPNOTSUPP; 4141 break; 4142 case SCTP_CONTEXT: 4143 { 4144 struct sctp_assoc_value *av; 4145 4146 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4147 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4148 4149 if (stcb) { 4150 stcb->asoc.context = av->assoc_value; 4151 SCTP_TCB_UNLOCK(stcb); 4152 } else { 4153 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4154 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4155 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4156 ((av->assoc_id == SCTP_FUTURE_ASSOC) || 4157 (av->assoc_id == SCTP_ALL_ASSOC)))) { 4158 SCTP_INP_WLOCK(inp); 4159 inp->sctp_context = av->assoc_value; 4160 SCTP_INP_WUNLOCK(inp); 4161 } 4162 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4163 ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4164 (av->assoc_id == SCTP_ALL_ASSOC))) { 4165 SCTP_INP_RLOCK(inp); 4166 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4167 SCTP_TCB_LOCK(stcb); 4168 stcb->asoc.context = av->assoc_value; 4169 SCTP_TCB_UNLOCK(stcb); 4170 } 4171 SCTP_INP_RUNLOCK(inp); 4172 } 4173 } 4174 break; 4175 } 4176 case SCTP_VRF_ID: 4177 { 4178 uint32_t *default_vrfid; 4179 4180 SCTP_CHECK_AND_CAST(default_vrfid, optval, uint32_t, optsize); 4181 if (*default_vrfid > SCTP_MAX_VRF_ID) { 4182 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4183 error = EINVAL; 4184 break; 4185 } 4186 inp->def_vrf_id = *default_vrfid; 4187 break; 4188 } 4189 case SCTP_DEL_VRF_ID: 4190 { 4191 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4192 error = EOPNOTSUPP; 4193 break; 4194 } 4195 case SCTP_ADD_VRF_ID: 4196 { 4197 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4198 error = EOPNOTSUPP; 4199 break; 4200 } 4201 case SCTP_DELAYED_SACK: 4202 { 4203 struct sctp_sack_info *sack; 4204 4205 SCTP_CHECK_AND_CAST(sack, optval, struct sctp_sack_info, optsize); 4206 SCTP_FIND_STCB(inp, stcb, sack->sack_assoc_id); 4207 if (sack->sack_delay) { 4208 if (sack->sack_delay > SCTP_MAX_SACK_DELAY) { 4209 error = EINVAL; 4210 if (stcb != NULL) { 4211 SCTP_TCB_UNLOCK(stcb); 4212 } 4213 break; 4214 } 4215 } 4216 if (stcb) { 4217 if (sack->sack_delay) { 4218 stcb->asoc.delayed_ack = sack->sack_delay; 4219 } 4220 if (sack->sack_freq) { 4221 stcb->asoc.sack_freq = sack->sack_freq; 4222 } 4223 SCTP_TCB_UNLOCK(stcb); 4224 } else { 4225 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4226 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4227 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4228 ((sack->sack_assoc_id == SCTP_FUTURE_ASSOC) || 4229 (sack->sack_assoc_id == SCTP_ALL_ASSOC)))) { 4230 SCTP_INP_WLOCK(inp); 4231 if (sack->sack_delay) { 4232 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV] = sctp_msecs_to_ticks(sack->sack_delay); 4233 } 4234 if (sack->sack_freq) { 4235 inp->sctp_ep.sctp_sack_freq = sack->sack_freq; 4236 } 4237 SCTP_INP_WUNLOCK(inp); 4238 } 4239 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4240 ((sack->sack_assoc_id == SCTP_CURRENT_ASSOC) || 4241 (sack->sack_assoc_id == SCTP_ALL_ASSOC))) { 4242 SCTP_INP_RLOCK(inp); 4243 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4244 SCTP_TCB_LOCK(stcb); 4245 if (sack->sack_delay) { 4246 stcb->asoc.delayed_ack = sack->sack_delay; 4247 } 4248 if (sack->sack_freq) { 4249 stcb->asoc.sack_freq = sack->sack_freq; 4250 } 4251 SCTP_TCB_UNLOCK(stcb); 4252 } 4253 SCTP_INP_RUNLOCK(inp); 4254 } 4255 } 4256 break; 4257 } 4258 case SCTP_AUTH_CHUNK: 4259 { 4260 struct sctp_authchunk *sauth; 4261 4262 SCTP_CHECK_AND_CAST(sauth, optval, struct sctp_authchunk, optsize); 4263 4264 SCTP_INP_WLOCK(inp); 4265 if (sctp_auth_add_chunk(sauth->sauth_chunk, inp->sctp_ep.local_auth_chunks)) { 4266 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4267 error = EINVAL; 4268 } else { 4269 inp->auth_supported = 1; 4270 } 4271 SCTP_INP_WUNLOCK(inp); 4272 break; 4273 } 4274 case SCTP_AUTH_KEY: 4275 { 4276 struct sctp_authkey *sca; 4277 struct sctp_keyhead *shared_keys; 4278 sctp_sharedkey_t *shared_key; 4279 sctp_key_t *key = NULL; 4280 size_t size; 4281 4282 SCTP_CHECK_AND_CAST(sca, optval, struct sctp_authkey, optsize); 4283 if (sca->sca_keylength == 0) { 4284 size = optsize - sizeof(struct sctp_authkey); 4285 } else { 4286 if (sca->sca_keylength + sizeof(struct sctp_authkey) <= optsize) { 4287 size = sca->sca_keylength; 4288 } else { 4289 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4290 error = EINVAL; 4291 break; 4292 } 4293 } 4294 SCTP_FIND_STCB(inp, stcb, sca->sca_assoc_id); 4295 4296 if (stcb) { 4297 shared_keys = &stcb->asoc.shared_keys; 4298 /* clear the cached keys for this key id */ 4299 sctp_clear_cachedkeys(stcb, sca->sca_keynumber); 4300 /* 4301 * create the new shared key and 4302 * insert/replace it 4303 */ 4304 if (size > 0) { 4305 key = sctp_set_key(sca->sca_key, (uint32_t)size); 4306 if (key == NULL) { 4307 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4308 error = ENOMEM; 4309 SCTP_TCB_UNLOCK(stcb); 4310 break; 4311 } 4312 } 4313 shared_key = sctp_alloc_sharedkey(); 4314 if (shared_key == NULL) { 4315 sctp_free_key(key); 4316 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4317 error = ENOMEM; 4318 SCTP_TCB_UNLOCK(stcb); 4319 break; 4320 } 4321 shared_key->key = key; 4322 shared_key->keyid = sca->sca_keynumber; 4323 error = sctp_insert_sharedkey(shared_keys, shared_key); 4324 SCTP_TCB_UNLOCK(stcb); 4325 } else { 4326 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4327 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4328 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4329 ((sca->sca_assoc_id == SCTP_FUTURE_ASSOC) || 4330 (sca->sca_assoc_id == SCTP_ALL_ASSOC)))) { 4331 SCTP_INP_WLOCK(inp); 4332 shared_keys = &inp->sctp_ep.shared_keys; 4333 /* 4334 * clear the cached keys on all 4335 * assocs for this key id 4336 */ 4337 sctp_clear_cachedkeys_ep(inp, sca->sca_keynumber); 4338 /* 4339 * create the new shared key and 4340 * insert/replace it 4341 */ 4342 if (size > 0) { 4343 key = sctp_set_key(sca->sca_key, (uint32_t)size); 4344 if (key == NULL) { 4345 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4346 error = ENOMEM; 4347 SCTP_INP_WUNLOCK(inp); 4348 break; 4349 } 4350 } 4351 shared_key = sctp_alloc_sharedkey(); 4352 if (shared_key == NULL) { 4353 sctp_free_key(key); 4354 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4355 error = ENOMEM; 4356 SCTP_INP_WUNLOCK(inp); 4357 break; 4358 } 4359 shared_key->key = key; 4360 shared_key->keyid = sca->sca_keynumber; 4361 error = sctp_insert_sharedkey(shared_keys, shared_key); 4362 SCTP_INP_WUNLOCK(inp); 4363 } 4364 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4365 ((sca->sca_assoc_id == SCTP_CURRENT_ASSOC) || 4366 (sca->sca_assoc_id == SCTP_ALL_ASSOC))) { 4367 SCTP_INP_RLOCK(inp); 4368 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4369 SCTP_TCB_LOCK(stcb); 4370 shared_keys = &stcb->asoc.shared_keys; 4371 /* 4372 * clear the cached keys for 4373 * this key id 4374 */ 4375 sctp_clear_cachedkeys(stcb, sca->sca_keynumber); 4376 /* 4377 * create the new shared key 4378 * and insert/replace it 4379 */ 4380 if (size > 0) { 4381 key = sctp_set_key(sca->sca_key, (uint32_t)size); 4382 if (key == NULL) { 4383 SCTP_TCB_UNLOCK(stcb); 4384 continue; 4385 } 4386 } 4387 shared_key = sctp_alloc_sharedkey(); 4388 if (shared_key == NULL) { 4389 sctp_free_key(key); 4390 SCTP_TCB_UNLOCK(stcb); 4391 continue; 4392 } 4393 shared_key->key = key; 4394 shared_key->keyid = sca->sca_keynumber; 4395 error = sctp_insert_sharedkey(shared_keys, shared_key); 4396 SCTP_TCB_UNLOCK(stcb); 4397 } 4398 SCTP_INP_RUNLOCK(inp); 4399 } 4400 } 4401 break; 4402 } 4403 case SCTP_HMAC_IDENT: 4404 { 4405 struct sctp_hmacalgo *shmac; 4406 sctp_hmaclist_t *hmaclist; 4407 uint16_t hmacid; 4408 uint32_t i; 4409 4410 SCTP_CHECK_AND_CAST(shmac, optval, struct sctp_hmacalgo, optsize); 4411 if ((optsize < sizeof(struct sctp_hmacalgo) + shmac->shmac_number_of_idents * sizeof(uint16_t)) || 4412 (shmac->shmac_number_of_idents > 0xffff)) { 4413 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4414 error = EINVAL; 4415 break; 4416 } 4417 4418 hmaclist = sctp_alloc_hmaclist((uint16_t)shmac->shmac_number_of_idents); 4419 if (hmaclist == NULL) { 4420 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4421 error = ENOMEM; 4422 break; 4423 } 4424 for (i = 0; i < shmac->shmac_number_of_idents; i++) { 4425 hmacid = shmac->shmac_idents[i]; 4426 if (sctp_auth_add_hmacid(hmaclist, hmacid)) { 4427 /* invalid HMACs were found */ ; 4428 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4429 error = EINVAL; 4430 sctp_free_hmaclist(hmaclist); 4431 goto sctp_set_hmac_done; 4432 } 4433 } 4434 for (i = 0; i < hmaclist->num_algo; i++) { 4435 if (hmaclist->hmac[i] == SCTP_AUTH_HMAC_ID_SHA1) { 4436 /* already in list */ 4437 break; 4438 } 4439 } 4440 if (i == hmaclist->num_algo) { 4441 /* not found in list */ 4442 sctp_free_hmaclist(hmaclist); 4443 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4444 error = EINVAL; 4445 break; 4446 } 4447 /* set it on the endpoint */ 4448 SCTP_INP_WLOCK(inp); 4449 if (inp->sctp_ep.local_hmacs) 4450 sctp_free_hmaclist(inp->sctp_ep.local_hmacs); 4451 inp->sctp_ep.local_hmacs = hmaclist; 4452 SCTP_INP_WUNLOCK(inp); 4453 sctp_set_hmac_done: 4454 break; 4455 } 4456 case SCTP_AUTH_ACTIVE_KEY: 4457 { 4458 struct sctp_authkeyid *scact; 4459 4460 SCTP_CHECK_AND_CAST(scact, optval, struct sctp_authkeyid, optsize); 4461 SCTP_FIND_STCB(inp, stcb, scact->scact_assoc_id); 4462 4463 /* set the active key on the right place */ 4464 if (stcb) { 4465 /* set the active key on the assoc */ 4466 if (sctp_auth_setactivekey(stcb, 4467 scact->scact_keynumber)) { 4468 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, 4469 SCTP_FROM_SCTP_USRREQ, 4470 EINVAL); 4471 error = EINVAL; 4472 } 4473 SCTP_TCB_UNLOCK(stcb); 4474 } else { 4475 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4476 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4477 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4478 ((scact->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4479 (scact->scact_assoc_id == SCTP_ALL_ASSOC)))) { 4480 SCTP_INP_WLOCK(inp); 4481 if (sctp_auth_setactivekey_ep(inp, scact->scact_keynumber)) { 4482 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4483 error = EINVAL; 4484 } 4485 SCTP_INP_WUNLOCK(inp); 4486 } 4487 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4488 ((scact->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4489 (scact->scact_assoc_id == SCTP_ALL_ASSOC))) { 4490 SCTP_INP_RLOCK(inp); 4491 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4492 SCTP_TCB_LOCK(stcb); 4493 sctp_auth_setactivekey(stcb, scact->scact_keynumber); 4494 SCTP_TCB_UNLOCK(stcb); 4495 } 4496 SCTP_INP_RUNLOCK(inp); 4497 } 4498 } 4499 break; 4500 } 4501 case SCTP_AUTH_DELETE_KEY: 4502 { 4503 struct sctp_authkeyid *scdel; 4504 4505 SCTP_CHECK_AND_CAST(scdel, optval, struct sctp_authkeyid, optsize); 4506 SCTP_FIND_STCB(inp, stcb, scdel->scact_assoc_id); 4507 4508 /* delete the key from the right place */ 4509 if (stcb) { 4510 if (sctp_delete_sharedkey(stcb, scdel->scact_keynumber)) { 4511 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4512 error = EINVAL; 4513 } 4514 SCTP_TCB_UNLOCK(stcb); 4515 } else { 4516 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4517 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4518 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4519 ((scdel->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4520 (scdel->scact_assoc_id == SCTP_ALL_ASSOC)))) { 4521 SCTP_INP_WLOCK(inp); 4522 if (sctp_delete_sharedkey_ep(inp, scdel->scact_keynumber)) { 4523 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4524 error = EINVAL; 4525 } 4526 SCTP_INP_WUNLOCK(inp); 4527 } 4528 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4529 ((scdel->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4530 (scdel->scact_assoc_id == SCTP_ALL_ASSOC))) { 4531 SCTP_INP_RLOCK(inp); 4532 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4533 SCTP_TCB_LOCK(stcb); 4534 sctp_delete_sharedkey(stcb, scdel->scact_keynumber); 4535 SCTP_TCB_UNLOCK(stcb); 4536 } 4537 SCTP_INP_RUNLOCK(inp); 4538 } 4539 } 4540 break; 4541 } 4542 case SCTP_AUTH_DEACTIVATE_KEY: 4543 { 4544 struct sctp_authkeyid *keyid; 4545 4546 SCTP_CHECK_AND_CAST(keyid, optval, struct sctp_authkeyid, optsize); 4547 SCTP_FIND_STCB(inp, stcb, keyid->scact_assoc_id); 4548 4549 /* deactivate the key from the right place */ 4550 if (stcb) { 4551 if (sctp_deact_sharedkey(stcb, keyid->scact_keynumber)) { 4552 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4553 error = EINVAL; 4554 } 4555 SCTP_TCB_UNLOCK(stcb); 4556 } else { 4557 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4558 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4559 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4560 ((keyid->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4561 (keyid->scact_assoc_id == SCTP_ALL_ASSOC)))) { 4562 SCTP_INP_WLOCK(inp); 4563 if (sctp_deact_sharedkey_ep(inp, keyid->scact_keynumber)) { 4564 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4565 error = EINVAL; 4566 } 4567 SCTP_INP_WUNLOCK(inp); 4568 } 4569 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4570 ((keyid->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4571 (keyid->scact_assoc_id == SCTP_ALL_ASSOC))) { 4572 SCTP_INP_RLOCK(inp); 4573 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4574 SCTP_TCB_LOCK(stcb); 4575 sctp_deact_sharedkey(stcb, keyid->scact_keynumber); 4576 SCTP_TCB_UNLOCK(stcb); 4577 } 4578 SCTP_INP_RUNLOCK(inp); 4579 } 4580 } 4581 break; 4582 } 4583 case SCTP_ENABLE_STREAM_RESET: 4584 { 4585 struct sctp_assoc_value *av; 4586 4587 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4588 if (av->assoc_value & (~SCTP_ENABLE_VALUE_MASK)) { 4589 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4590 error = EINVAL; 4591 break; 4592 } 4593 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4594 if (stcb) { 4595 stcb->asoc.local_strreset_support = (uint8_t)av->assoc_value; 4596 SCTP_TCB_UNLOCK(stcb); 4597 } else { 4598 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4599 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4600 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4601 ((av->assoc_id == SCTP_FUTURE_ASSOC) || 4602 (av->assoc_id == SCTP_ALL_ASSOC)))) { 4603 SCTP_INP_WLOCK(inp); 4604 inp->local_strreset_support = (uint8_t)av->assoc_value; 4605 SCTP_INP_WUNLOCK(inp); 4606 } 4607 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4608 ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4609 (av->assoc_id == SCTP_ALL_ASSOC))) { 4610 SCTP_INP_RLOCK(inp); 4611 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4612 SCTP_TCB_LOCK(stcb); 4613 stcb->asoc.local_strreset_support = (uint8_t)av->assoc_value; 4614 SCTP_TCB_UNLOCK(stcb); 4615 } 4616 SCTP_INP_RUNLOCK(inp); 4617 } 4618 } 4619 break; 4620 } 4621 case SCTP_RESET_STREAMS: 4622 { 4623 struct sctp_reset_streams *strrst; 4624 int i, send_out = 0; 4625 int send_in = 0; 4626 4627 SCTP_CHECK_AND_CAST(strrst, optval, struct sctp_reset_streams, optsize); 4628 SCTP_FIND_STCB(inp, stcb, strrst->srs_assoc_id); 4629 if (stcb == NULL) { 4630 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4631 error = ENOENT; 4632 break; 4633 } 4634 if (stcb->asoc.reconfig_supported == 0) { 4635 /* 4636 * Peer does not support the chunk type. 4637 */ 4638 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4639 error = EOPNOTSUPP; 4640 SCTP_TCB_UNLOCK(stcb); 4641 break; 4642 } 4643 if (SCTP_GET_STATE(stcb) != SCTP_STATE_OPEN) { 4644 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4645 error = EINVAL; 4646 SCTP_TCB_UNLOCK(stcb); 4647 break; 4648 } 4649 if (sizeof(struct sctp_reset_streams) + 4650 strrst->srs_number_streams * sizeof(uint16_t) > optsize) { 4651 error = EINVAL; 4652 SCTP_TCB_UNLOCK(stcb); 4653 break; 4654 } 4655 if (strrst->srs_flags & SCTP_STREAM_RESET_INCOMING) { 4656 send_in = 1; 4657 if (stcb->asoc.stream_reset_outstanding) { 4658 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4659 error = EALREADY; 4660 SCTP_TCB_UNLOCK(stcb); 4661 break; 4662 } 4663 } 4664 if (strrst->srs_flags & SCTP_STREAM_RESET_OUTGOING) { 4665 send_out = 1; 4666 } 4667 if ((strrst->srs_number_streams > SCTP_MAX_STREAMS_AT_ONCE_RESET) && send_in) { 4668 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4669 error = ENOMEM; 4670 SCTP_TCB_UNLOCK(stcb); 4671 break; 4672 } 4673 if ((send_in == 0) && (send_out == 0)) { 4674 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4675 error = EINVAL; 4676 SCTP_TCB_UNLOCK(stcb); 4677 break; 4678 } 4679 for (i = 0; i < strrst->srs_number_streams; i++) { 4680 if ((send_in) && 4681 (strrst->srs_stream_list[i] >= stcb->asoc.streamincnt)) { 4682 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4683 error = EINVAL; 4684 break; 4685 } 4686 if ((send_out) && 4687 (strrst->srs_stream_list[i] >= stcb->asoc.streamoutcnt)) { 4688 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4689 error = EINVAL; 4690 break; 4691 } 4692 } 4693 if (error) { 4694 SCTP_TCB_UNLOCK(stcb); 4695 break; 4696 } 4697 if (send_out) { 4698 int cnt; 4699 uint16_t strm; 4700 4701 if (strrst->srs_number_streams) { 4702 for (i = 0, cnt = 0; i < strrst->srs_number_streams; i++) { 4703 strm = strrst->srs_stream_list[i]; 4704 if (stcb->asoc.strmout[strm].state == SCTP_STREAM_OPEN) { 4705 stcb->asoc.strmout[strm].state = SCTP_STREAM_RESET_PENDING; 4706 cnt++; 4707 } 4708 } 4709 } else { 4710 /* Its all */ 4711 for (i = 0, cnt = 0; i < stcb->asoc.streamoutcnt; i++) { 4712 if (stcb->asoc.strmout[i].state == SCTP_STREAM_OPEN) { 4713 stcb->asoc.strmout[i].state = SCTP_STREAM_RESET_PENDING; 4714 cnt++; 4715 } 4716 } 4717 } 4718 } 4719 if (send_in) { 4720 error = sctp_send_str_reset_req(stcb, strrst->srs_number_streams, 4721 strrst->srs_stream_list, 4722 send_in, 0, 0, 0, 0, 0); 4723 } else { 4724 error = sctp_send_stream_reset_out_if_possible(stcb, SCTP_SO_LOCKED); 4725 } 4726 if (error == 0) { 4727 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4728 } else { 4729 /* 4730 * For outgoing streams don't report any 4731 * problems in sending the request to the 4732 * application. XXX: Double check resetting 4733 * incoming streams. 4734 */ 4735 error = 0; 4736 } 4737 SCTP_TCB_UNLOCK(stcb); 4738 break; 4739 } 4740 case SCTP_ADD_STREAMS: 4741 { 4742 struct sctp_add_streams *stradd; 4743 uint8_t addstream = 0; 4744 uint16_t add_o_strmcnt = 0; 4745 uint16_t add_i_strmcnt = 0; 4746 4747 SCTP_CHECK_AND_CAST(stradd, optval, struct sctp_add_streams, optsize); 4748 SCTP_FIND_STCB(inp, stcb, stradd->sas_assoc_id); 4749 if (stcb == NULL) { 4750 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4751 error = ENOENT; 4752 break; 4753 } 4754 if (stcb->asoc.reconfig_supported == 0) { 4755 /* 4756 * Peer does not support the chunk type. 4757 */ 4758 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4759 error = EOPNOTSUPP; 4760 SCTP_TCB_UNLOCK(stcb); 4761 break; 4762 } 4763 if (SCTP_GET_STATE(stcb) != SCTP_STATE_OPEN) { 4764 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4765 error = EINVAL; 4766 SCTP_TCB_UNLOCK(stcb); 4767 break; 4768 } 4769 if (stcb->asoc.stream_reset_outstanding) { 4770 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4771 error = EALREADY; 4772 SCTP_TCB_UNLOCK(stcb); 4773 break; 4774 } 4775 if ((stradd->sas_outstrms == 0) && 4776 (stradd->sas_instrms == 0)) { 4777 error = EINVAL; 4778 goto skip_stuff; 4779 } 4780 if (stradd->sas_outstrms) { 4781 addstream = 1; 4782 /* We allocate here */ 4783 add_o_strmcnt = stradd->sas_outstrms; 4784 if ((((int)add_o_strmcnt) + ((int)stcb->asoc.streamoutcnt)) > 0x0000ffff) { 4785 /* You can't have more than 64k */ 4786 error = EINVAL; 4787 goto skip_stuff; 4788 } 4789 } 4790 if (stradd->sas_instrms) { 4791 int cnt; 4792 4793 addstream |= 2; 4794 /* 4795 * We allocate inside 4796 * sctp_send_str_reset_req() 4797 */ 4798 add_i_strmcnt = stradd->sas_instrms; 4799 cnt = add_i_strmcnt; 4800 cnt += stcb->asoc.streamincnt; 4801 if (cnt > 0x0000ffff) { 4802 /* You can't have more than 64k */ 4803 error = EINVAL; 4804 goto skip_stuff; 4805 } 4806 if (cnt > (int)stcb->asoc.max_inbound_streams) { 4807 /* More than you are allowed */ 4808 error = EINVAL; 4809 goto skip_stuff; 4810 } 4811 } 4812 error = sctp_send_str_reset_req(stcb, 0, NULL, 0, 0, addstream, add_o_strmcnt, add_i_strmcnt, 0); 4813 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4814 skip_stuff: 4815 SCTP_TCB_UNLOCK(stcb); 4816 break; 4817 } 4818 case SCTP_RESET_ASSOC: 4819 { 4820 int i; 4821 uint32_t *value; 4822 4823 SCTP_CHECK_AND_CAST(value, optval, uint32_t, optsize); 4824 SCTP_FIND_STCB(inp, stcb, (sctp_assoc_t)*value); 4825 if (stcb == NULL) { 4826 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4827 error = ENOENT; 4828 break; 4829 } 4830 if (stcb->asoc.reconfig_supported == 0) { 4831 /* 4832 * Peer does not support the chunk type. 4833 */ 4834 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4835 error = EOPNOTSUPP; 4836 SCTP_TCB_UNLOCK(stcb); 4837 break; 4838 } 4839 if (SCTP_GET_STATE(stcb) != SCTP_STATE_OPEN) { 4840 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4841 error = EINVAL; 4842 SCTP_TCB_UNLOCK(stcb); 4843 break; 4844 } 4845 if (stcb->asoc.stream_reset_outstanding) { 4846 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4847 error = EALREADY; 4848 SCTP_TCB_UNLOCK(stcb); 4849 break; 4850 } 4851 /* 4852 * Is there any data pending in the send or sent 4853 * queues? 4854 */ 4855 if (!TAILQ_EMPTY(&stcb->asoc.send_queue) || 4856 !TAILQ_EMPTY(&stcb->asoc.sent_queue)) { 4857 busy_out: 4858 error = EBUSY; 4859 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 4860 SCTP_TCB_UNLOCK(stcb); 4861 break; 4862 } 4863 /* Do any streams have data queued? */ 4864 for (i = 0; i < stcb->asoc.streamoutcnt; i++) { 4865 if (!TAILQ_EMPTY(&stcb->asoc.strmout[i].outqueue)) { 4866 goto busy_out; 4867 } 4868 } 4869 error = sctp_send_str_reset_req(stcb, 0, NULL, 0, 1, 0, 0, 0, 0); 4870 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4871 SCTP_TCB_UNLOCK(stcb); 4872 break; 4873 } 4874 case SCTP_CONNECT_X: 4875 if (optsize < (sizeof(int) + sizeof(struct sockaddr_in))) { 4876 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4877 error = EINVAL; 4878 break; 4879 } 4880 error = sctp_do_connect_x(so, inp, optval, optsize, p, 0); 4881 break; 4882 case SCTP_CONNECT_X_DELAYED: 4883 if (optsize < (sizeof(int) + sizeof(struct sockaddr_in))) { 4884 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4885 error = EINVAL; 4886 break; 4887 } 4888 error = sctp_do_connect_x(so, inp, optval, optsize, p, 1); 4889 break; 4890 case SCTP_CONNECT_X_COMPLETE: 4891 { 4892 struct sockaddr *sa; 4893 4894 /* FIXME MT: check correct? */ 4895 SCTP_CHECK_AND_CAST(sa, optval, struct sockaddr, optsize); 4896 4897 /* find tcb */ 4898 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 4899 SCTP_INP_RLOCK(inp); 4900 stcb = LIST_FIRST(&inp->sctp_asoc_list); 4901 if (stcb) { 4902 SCTP_TCB_LOCK(stcb); 4903 } 4904 SCTP_INP_RUNLOCK(inp); 4905 } else { 4906 /* 4907 * We increment here since 4908 * sctp_findassociation_ep_addr() wil do a 4909 * decrement if it finds the stcb as long as 4910 * the locked tcb (last argument) is NOT a 4911 * TCB.. aka NULL. 4912 */ 4913 SCTP_INP_INCR_REF(inp); 4914 stcb = sctp_findassociation_ep_addr(&inp, sa, NULL, NULL, NULL); 4915 if (stcb == NULL) { 4916 SCTP_INP_DECR_REF(inp); 4917 } 4918 } 4919 4920 if (stcb == NULL) { 4921 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4922 error = ENOENT; 4923 break; 4924 } 4925 if (stcb->asoc.delayed_connection == 1) { 4926 stcb->asoc.delayed_connection = 0; 4927 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 4928 sctp_timer_stop(SCTP_TIMER_TYPE_INIT, inp, stcb, 4929 stcb->asoc.primary_destination, 4930 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_8); 4931 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 4932 } else { 4933 /* 4934 * already expired or did not use delayed 4935 * connectx 4936 */ 4937 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4938 error = EALREADY; 4939 } 4940 SCTP_TCB_UNLOCK(stcb); 4941 break; 4942 } 4943 case SCTP_MAX_BURST: 4944 { 4945 struct sctp_assoc_value *av; 4946 4947 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4948 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4949 4950 if (stcb) { 4951 stcb->asoc.max_burst = av->assoc_value; 4952 SCTP_TCB_UNLOCK(stcb); 4953 } else { 4954 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4955 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4956 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4957 ((av->assoc_id == SCTP_FUTURE_ASSOC) || 4958 (av->assoc_id == SCTP_ALL_ASSOC)))) { 4959 SCTP_INP_WLOCK(inp); 4960 inp->sctp_ep.max_burst = av->assoc_value; 4961 SCTP_INP_WUNLOCK(inp); 4962 } 4963 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4964 ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4965 (av->assoc_id == SCTP_ALL_ASSOC))) { 4966 SCTP_INP_RLOCK(inp); 4967 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4968 SCTP_TCB_LOCK(stcb); 4969 stcb->asoc.max_burst = av->assoc_value; 4970 SCTP_TCB_UNLOCK(stcb); 4971 } 4972 SCTP_INP_RUNLOCK(inp); 4973 } 4974 } 4975 break; 4976 } 4977 case SCTP_MAXSEG: 4978 { 4979 struct sctp_assoc_value *av; 4980 int ovh; 4981 4982 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4983 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4984 4985 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 4986 ovh = SCTP_MED_OVERHEAD; 4987 } else { 4988 ovh = SCTP_MED_V4_OVERHEAD; 4989 } 4990 if (stcb) { 4991 if (av->assoc_value) { 4992 stcb->asoc.sctp_frag_point = (av->assoc_value + ovh); 4993 } else { 4994 stcb->asoc.sctp_frag_point = SCTP_DEFAULT_MAXSEGMENT; 4995 } 4996 SCTP_TCB_UNLOCK(stcb); 4997 } else { 4998 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4999 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5000 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 5001 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 5002 SCTP_INP_WLOCK(inp); 5003 /* 5004 * FIXME MT: I think this is not in 5005 * tune with the API ID 5006 */ 5007 if (av->assoc_value) { 5008 inp->sctp_frag_point = (av->assoc_value + ovh); 5009 } else { 5010 inp->sctp_frag_point = SCTP_DEFAULT_MAXSEGMENT; 5011 } 5012 SCTP_INP_WUNLOCK(inp); 5013 } else { 5014 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5015 error = EINVAL; 5016 } 5017 } 5018 break; 5019 } 5020 case SCTP_EVENTS: 5021 { 5022 struct sctp_event_subscribe *events; 5023 5024 SCTP_CHECK_AND_CAST(events, optval, struct sctp_event_subscribe, optsize); 5025 5026 SCTP_INP_WLOCK(inp); 5027 if (events->sctp_data_io_event) { 5028 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT); 5029 } else { 5030 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT); 5031 } 5032 5033 if (events->sctp_association_event) { 5034 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT); 5035 } else { 5036 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT); 5037 } 5038 5039 if (events->sctp_address_event) { 5040 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVPADDREVNT); 5041 } else { 5042 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVPADDREVNT); 5043 } 5044 5045 if (events->sctp_send_failure_event) { 5046 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 5047 } else { 5048 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 5049 } 5050 5051 if (events->sctp_peer_error_event) { 5052 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVPEERERR); 5053 } else { 5054 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVPEERERR); 5055 } 5056 5057 if (events->sctp_shutdown_event) { 5058 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 5059 } else { 5060 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 5061 } 5062 5063 if (events->sctp_partial_delivery_event) { 5064 sctp_feature_on(inp, SCTP_PCB_FLAGS_PDAPIEVNT); 5065 } else { 5066 sctp_feature_off(inp, SCTP_PCB_FLAGS_PDAPIEVNT); 5067 } 5068 5069 if (events->sctp_adaptation_layer_event) { 5070 sctp_feature_on(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 5071 } else { 5072 sctp_feature_off(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 5073 } 5074 5075 if (events->sctp_authentication_event) { 5076 sctp_feature_on(inp, SCTP_PCB_FLAGS_AUTHEVNT); 5077 } else { 5078 sctp_feature_off(inp, SCTP_PCB_FLAGS_AUTHEVNT); 5079 } 5080 5081 if (events->sctp_sender_dry_event) { 5082 sctp_feature_on(inp, SCTP_PCB_FLAGS_DRYEVNT); 5083 } else { 5084 sctp_feature_off(inp, SCTP_PCB_FLAGS_DRYEVNT); 5085 } 5086 5087 if (events->sctp_stream_reset_event) { 5088 sctp_feature_on(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 5089 } else { 5090 sctp_feature_off(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 5091 } 5092 SCTP_INP_WUNLOCK(inp); 5093 5094 SCTP_INP_RLOCK(inp); 5095 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 5096 SCTP_TCB_LOCK(stcb); 5097 if (events->sctp_association_event) { 5098 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVASSOCEVNT); 5099 } else { 5100 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVASSOCEVNT); 5101 } 5102 if (events->sctp_address_event) { 5103 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVPADDREVNT); 5104 } else { 5105 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVPADDREVNT); 5106 } 5107 if (events->sctp_send_failure_event) { 5108 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 5109 } else { 5110 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 5111 } 5112 if (events->sctp_peer_error_event) { 5113 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVPEERERR); 5114 } else { 5115 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVPEERERR); 5116 } 5117 if (events->sctp_shutdown_event) { 5118 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 5119 } else { 5120 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 5121 } 5122 if (events->sctp_partial_delivery_event) { 5123 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_PDAPIEVNT); 5124 } else { 5125 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_PDAPIEVNT); 5126 } 5127 if (events->sctp_adaptation_layer_event) { 5128 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 5129 } else { 5130 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 5131 } 5132 if (events->sctp_authentication_event) { 5133 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_AUTHEVNT); 5134 } else { 5135 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_AUTHEVNT); 5136 } 5137 if (events->sctp_sender_dry_event) { 5138 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DRYEVNT); 5139 } else { 5140 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DRYEVNT); 5141 } 5142 if (events->sctp_stream_reset_event) { 5143 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 5144 } else { 5145 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 5146 } 5147 SCTP_TCB_UNLOCK(stcb); 5148 } 5149 /* 5150 * Send up the sender dry event only for 1-to-1 5151 * style sockets. 5152 */ 5153 if (events->sctp_sender_dry_event) { 5154 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5155 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 5156 stcb = LIST_FIRST(&inp->sctp_asoc_list); 5157 if (stcb) { 5158 SCTP_TCB_LOCK(stcb); 5159 if (TAILQ_EMPTY(&stcb->asoc.send_queue) && 5160 TAILQ_EMPTY(&stcb->asoc.sent_queue) && 5161 (stcb->asoc.stream_queue_cnt == 0)) { 5162 sctp_ulp_notify(SCTP_NOTIFY_SENDER_DRY, stcb, 0, NULL, SCTP_SO_LOCKED); 5163 } 5164 SCTP_TCB_UNLOCK(stcb); 5165 } 5166 } 5167 } 5168 SCTP_INP_RUNLOCK(inp); 5169 break; 5170 } 5171 case SCTP_ADAPTATION_LAYER: 5172 { 5173 struct sctp_setadaptation *adap_bits; 5174 5175 SCTP_CHECK_AND_CAST(adap_bits, optval, struct sctp_setadaptation, optsize); 5176 SCTP_INP_WLOCK(inp); 5177 inp->sctp_ep.adaptation_layer_indicator = adap_bits->ssb_adaptation_ind; 5178 inp->sctp_ep.adaptation_layer_indicator_provided = 1; 5179 SCTP_INP_WUNLOCK(inp); 5180 break; 5181 } 5182 #ifdef SCTP_DEBUG 5183 case SCTP_SET_INITIAL_DBG_SEQ: 5184 { 5185 uint32_t *vvv; 5186 5187 SCTP_CHECK_AND_CAST(vvv, optval, uint32_t, optsize); 5188 SCTP_INP_WLOCK(inp); 5189 inp->sctp_ep.initial_sequence_debug = *vvv; 5190 SCTP_INP_WUNLOCK(inp); 5191 break; 5192 } 5193 #endif 5194 case SCTP_DEFAULT_SEND_PARAM: 5195 { 5196 struct sctp_sndrcvinfo *s_info; 5197 5198 SCTP_CHECK_AND_CAST(s_info, optval, struct sctp_sndrcvinfo, optsize); 5199 SCTP_FIND_STCB(inp, stcb, s_info->sinfo_assoc_id); 5200 5201 if (stcb) { 5202 if (s_info->sinfo_stream < stcb->asoc.streamoutcnt) { 5203 memcpy(&stcb->asoc.def_send, s_info, min(optsize, sizeof(stcb->asoc.def_send))); 5204 } else { 5205 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5206 error = EINVAL; 5207 } 5208 SCTP_TCB_UNLOCK(stcb); 5209 } else { 5210 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5211 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5212 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 5213 ((s_info->sinfo_assoc_id == SCTP_FUTURE_ASSOC) || 5214 (s_info->sinfo_assoc_id == SCTP_ALL_ASSOC)))) { 5215 SCTP_INP_WLOCK(inp); 5216 memcpy(&inp->def_send, s_info, min(optsize, sizeof(inp->def_send))); 5217 SCTP_INP_WUNLOCK(inp); 5218 } 5219 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 5220 ((s_info->sinfo_assoc_id == SCTP_CURRENT_ASSOC) || 5221 (s_info->sinfo_assoc_id == SCTP_ALL_ASSOC))) { 5222 SCTP_INP_RLOCK(inp); 5223 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 5224 SCTP_TCB_LOCK(stcb); 5225 if (s_info->sinfo_stream < stcb->asoc.streamoutcnt) { 5226 memcpy(&stcb->asoc.def_send, s_info, min(optsize, sizeof(stcb->asoc.def_send))); 5227 } 5228 SCTP_TCB_UNLOCK(stcb); 5229 } 5230 SCTP_INP_RUNLOCK(inp); 5231 } 5232 } 5233 break; 5234 } 5235 case SCTP_PEER_ADDR_PARAMS: 5236 { 5237 struct sctp_paddrparams *paddrp; 5238 struct sctp_nets *net; 5239 struct sockaddr *addr; 5240 #if defined(INET) && defined(INET6) 5241 struct sockaddr_in sin_store; 5242 #endif 5243 5244 SCTP_CHECK_AND_CAST(paddrp, optval, struct sctp_paddrparams, optsize); 5245 SCTP_FIND_STCB(inp, stcb, paddrp->spp_assoc_id); 5246 5247 #if defined(INET) && defined(INET6) 5248 if (paddrp->spp_address.ss_family == AF_INET6) { 5249 struct sockaddr_in6 *sin6; 5250 5251 sin6 = (struct sockaddr_in6 *)&paddrp->spp_address; 5252 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 5253 in6_sin6_2_sin(&sin_store, sin6); 5254 addr = (struct sockaddr *)&sin_store; 5255 } else { 5256 addr = (struct sockaddr *)&paddrp->spp_address; 5257 } 5258 } else { 5259 addr = (struct sockaddr *)&paddrp->spp_address; 5260 } 5261 #else 5262 addr = (struct sockaddr *)&paddrp->spp_address; 5263 #endif 5264 if (stcb != NULL) { 5265 net = sctp_findnet(stcb, addr); 5266 } else { 5267 /* 5268 * We increment here since 5269 * sctp_findassociation_ep_addr() wil do a 5270 * decrement if it finds the stcb as long as 5271 * the locked tcb (last argument) is NOT a 5272 * TCB.. aka NULL. 5273 */ 5274 net = NULL; 5275 SCTP_INP_INCR_REF(inp); 5276 stcb = sctp_findassociation_ep_addr(&inp, addr, 5277 &net, NULL, NULL); 5278 if (stcb == NULL) { 5279 SCTP_INP_DECR_REF(inp); 5280 } 5281 } 5282 if ((stcb != NULL) && (net == NULL)) { 5283 #ifdef INET 5284 if (addr->sa_family == AF_INET) { 5285 struct sockaddr_in *sin; 5286 5287 sin = (struct sockaddr_in *)addr; 5288 if (sin->sin_addr.s_addr != INADDR_ANY) { 5289 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5290 SCTP_TCB_UNLOCK(stcb); 5291 error = EINVAL; 5292 break; 5293 } 5294 } else 5295 #endif 5296 #ifdef INET6 5297 if (addr->sa_family == AF_INET6) { 5298 struct sockaddr_in6 *sin6; 5299 5300 sin6 = (struct sockaddr_in6 *)addr; 5301 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 5302 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5303 SCTP_TCB_UNLOCK(stcb); 5304 error = EINVAL; 5305 break; 5306 } 5307 } else 5308 #endif 5309 { 5310 error = EAFNOSUPPORT; 5311 SCTP_TCB_UNLOCK(stcb); 5312 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 5313 break; 5314 } 5315 } 5316 /* sanity checks */ 5317 if ((paddrp->spp_flags & SPP_HB_ENABLE) && (paddrp->spp_flags & SPP_HB_DISABLE)) { 5318 if (stcb) 5319 SCTP_TCB_UNLOCK(stcb); 5320 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5321 return (EINVAL); 5322 } 5323 5324 if ((paddrp->spp_flags & SPP_PMTUD_ENABLE) && (paddrp->spp_flags & SPP_PMTUD_DISABLE)) { 5325 if (stcb) 5326 SCTP_TCB_UNLOCK(stcb); 5327 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5328 return (EINVAL); 5329 } 5330 if ((paddrp->spp_flags & SPP_PMTUD_DISABLE) && 5331 (paddrp->spp_pathmtu > 0) && 5332 ((paddrp->spp_pathmtu < SCTP_SMALLEST_PMTU) || 5333 (paddrp->spp_pathmtu > SCTP_LARGEST_PMTU))) { 5334 if (stcb) 5335 SCTP_TCB_UNLOCK(stcb); 5336 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5337 return (EINVAL); 5338 } 5339 5340 if (stcb != NULL) { 5341 /************************TCB SPECIFIC SET ******************/ 5342 if (net != NULL) { 5343 /************************NET SPECIFIC SET ******************/ 5344 if (paddrp->spp_flags & SPP_HB_DISABLE) { 5345 if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED) && 5346 !(net->dest_state & SCTP_ADDR_NOHB)) { 5347 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 5348 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_9); 5349 } 5350 net->dest_state |= SCTP_ADDR_NOHB; 5351 } 5352 if (paddrp->spp_flags & SPP_HB_ENABLE) { 5353 if (paddrp->spp_hbinterval) { 5354 net->heart_beat_delay = paddrp->spp_hbinterval; 5355 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5356 net->heart_beat_delay = 0; 5357 } 5358 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 5359 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 5360 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 5361 net->dest_state &= ~SCTP_ADDR_NOHB; 5362 } 5363 if (paddrp->spp_flags & SPP_HB_DEMAND) { 5364 if (SCTP_GET_STATE(stcb) == SCTP_STATE_OPEN) { 5365 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5366 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_SOCKOPT, SCTP_SO_LOCKED); 5367 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 5368 } 5369 } 5370 if (paddrp->spp_flags & SPP_PMTUD_DISABLE) { 5371 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5372 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 5373 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_11); 5374 } 5375 net->dest_state |= SCTP_ADDR_NO_PMTUD; 5376 if (paddrp->spp_pathmtu > 0) { 5377 net->mtu = paddrp->spp_pathmtu; 5378 switch (net->ro._l_addr.sa.sa_family) { 5379 #ifdef INET 5380 case AF_INET: 5381 net->mtu += SCTP_MIN_V4_OVERHEAD; 5382 break; 5383 #endif 5384 #ifdef INET6 5385 case AF_INET6: 5386 net->mtu += SCTP_MIN_OVERHEAD; 5387 break; 5388 #endif 5389 default: 5390 break; 5391 } 5392 if (net->mtu < stcb->asoc.smallest_mtu) { 5393 sctp_pathmtu_adjustment(stcb, net->mtu); 5394 } 5395 } 5396 } 5397 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 5398 if (!SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5399 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 5400 } 5401 net->dest_state &= ~SCTP_ADDR_NO_PMTUD; 5402 } 5403 if (paddrp->spp_pathmaxrxt > 0) { 5404 if (net->dest_state & SCTP_ADDR_PF) { 5405 if (net->error_count > paddrp->spp_pathmaxrxt) { 5406 net->dest_state &= ~SCTP_ADDR_PF; 5407 } 5408 } else { 5409 if ((net->error_count <= paddrp->spp_pathmaxrxt) && 5410 (net->error_count > net->pf_threshold)) { 5411 net->dest_state |= SCTP_ADDR_PF; 5412 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5413 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 5414 stcb->sctp_ep, stcb, net, 5415 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_12); 5416 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 5417 } 5418 } 5419 if (net->dest_state & SCTP_ADDR_REACHABLE) { 5420 if (net->error_count > paddrp->spp_pathmaxrxt) { 5421 net->dest_state &= ~SCTP_ADDR_REACHABLE; 5422 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 5423 } 5424 } else { 5425 if (net->error_count <= paddrp->spp_pathmaxrxt) { 5426 net->dest_state |= SCTP_ADDR_REACHABLE; 5427 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 5428 } 5429 } 5430 net->failure_threshold = paddrp->spp_pathmaxrxt; 5431 } 5432 if (paddrp->spp_flags & SPP_DSCP) { 5433 net->dscp = paddrp->spp_dscp & 0xfc; 5434 net->dscp |= 0x01; 5435 } 5436 #ifdef INET6 5437 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 5438 if (net->ro._l_addr.sa.sa_family == AF_INET6) { 5439 net->flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5440 net->flowlabel |= 0x80000000; 5441 } 5442 } 5443 #endif 5444 } else { 5445 /************************ASSOC ONLY -- NO NET SPECIFIC SET ******************/ 5446 if (paddrp->spp_pathmaxrxt > 0) { 5447 stcb->asoc.def_net_failure = paddrp->spp_pathmaxrxt; 5448 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5449 if (net->dest_state & SCTP_ADDR_PF) { 5450 if (net->error_count > paddrp->spp_pathmaxrxt) { 5451 net->dest_state &= ~SCTP_ADDR_PF; 5452 } 5453 } else { 5454 if ((net->error_count <= paddrp->spp_pathmaxrxt) && 5455 (net->error_count > net->pf_threshold)) { 5456 net->dest_state |= SCTP_ADDR_PF; 5457 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5458 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 5459 stcb->sctp_ep, stcb, net, 5460 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_13); 5461 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 5462 } 5463 } 5464 if (net->dest_state & SCTP_ADDR_REACHABLE) { 5465 if (net->error_count > paddrp->spp_pathmaxrxt) { 5466 net->dest_state &= ~SCTP_ADDR_REACHABLE; 5467 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 5468 } 5469 } else { 5470 if (net->error_count <= paddrp->spp_pathmaxrxt) { 5471 net->dest_state |= SCTP_ADDR_REACHABLE; 5472 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 5473 } 5474 } 5475 net->failure_threshold = paddrp->spp_pathmaxrxt; 5476 } 5477 } 5478 if (paddrp->spp_flags & SPP_HB_ENABLE) { 5479 if (paddrp->spp_hbinterval != 0) { 5480 stcb->asoc.heart_beat_delay = paddrp->spp_hbinterval; 5481 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5482 stcb->asoc.heart_beat_delay = 0; 5483 } 5484 /* Turn back on the timer */ 5485 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5486 if (paddrp->spp_hbinterval != 0) { 5487 net->heart_beat_delay = paddrp->spp_hbinterval; 5488 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5489 net->heart_beat_delay = 0; 5490 } 5491 if (net->dest_state & SCTP_ADDR_NOHB) { 5492 net->dest_state &= ~SCTP_ADDR_NOHB; 5493 } 5494 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 5495 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_14); 5496 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 5497 } 5498 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5499 } 5500 if (paddrp->spp_flags & SPP_HB_DISABLE) { 5501 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5502 if (!(net->dest_state & SCTP_ADDR_NOHB)) { 5503 net->dest_state |= SCTP_ADDR_NOHB; 5504 if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED)) { 5505 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 5506 inp, stcb, net, 5507 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_15); 5508 } 5509 } 5510 } 5511 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5512 } 5513 if (paddrp->spp_flags & SPP_PMTUD_DISABLE) { 5514 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5515 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5516 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 5517 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_16); 5518 } 5519 net->dest_state |= SCTP_ADDR_NO_PMTUD; 5520 if (paddrp->spp_pathmtu > 0) { 5521 net->mtu = paddrp->spp_pathmtu; 5522 switch (net->ro._l_addr.sa.sa_family) { 5523 #ifdef INET 5524 case AF_INET: 5525 net->mtu += SCTP_MIN_V4_OVERHEAD; 5526 break; 5527 #endif 5528 #ifdef INET6 5529 case AF_INET6: 5530 net->mtu += SCTP_MIN_OVERHEAD; 5531 break; 5532 #endif 5533 default: 5534 break; 5535 } 5536 if (net->mtu < stcb->asoc.smallest_mtu) { 5537 sctp_pathmtu_adjustment(stcb, net->mtu); 5538 } 5539 } 5540 } 5541 if (paddrp->spp_pathmtu > 0) { 5542 stcb->asoc.default_mtu = paddrp->spp_pathmtu; 5543 } 5544 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5545 } 5546 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 5547 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5548 if (!SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5549 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 5550 } 5551 net->dest_state &= ~SCTP_ADDR_NO_PMTUD; 5552 } 5553 stcb->asoc.default_mtu = 0; 5554 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5555 } 5556 if (paddrp->spp_flags & SPP_DSCP) { 5557 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5558 net->dscp = paddrp->spp_dscp & 0xfc; 5559 net->dscp |= 0x01; 5560 } 5561 stcb->asoc.default_dscp = paddrp->spp_dscp & 0xfc; 5562 stcb->asoc.default_dscp |= 0x01; 5563 } 5564 #ifdef INET6 5565 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 5566 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5567 if (net->ro._l_addr.sa.sa_family == AF_INET6) { 5568 net->flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5569 net->flowlabel |= 0x80000000; 5570 } 5571 } 5572 stcb->asoc.default_flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5573 stcb->asoc.default_flowlabel |= 0x80000000; 5574 } 5575 #endif 5576 } 5577 SCTP_TCB_UNLOCK(stcb); 5578 } else { 5579 /************************NO TCB, SET TO default stuff ******************/ 5580 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5581 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5582 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 5583 (paddrp->spp_assoc_id == SCTP_FUTURE_ASSOC))) { 5584 SCTP_INP_WLOCK(inp); 5585 /* 5586 * For the TOS/FLOWLABEL stuff you 5587 * set it with the options on the 5588 * socket 5589 */ 5590 if (paddrp->spp_pathmaxrxt > 0) { 5591 inp->sctp_ep.def_net_failure = paddrp->spp_pathmaxrxt; 5592 } 5593 5594 if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) 5595 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = 0; 5596 else if (paddrp->spp_hbinterval != 0) { 5597 if (paddrp->spp_hbinterval > SCTP_MAX_HB_INTERVAL) 5598 paddrp->spp_hbinterval = SCTP_MAX_HB_INTERVAL; 5599 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = sctp_msecs_to_ticks(paddrp->spp_hbinterval); 5600 } 5601 5602 if (paddrp->spp_flags & SPP_HB_ENABLE) { 5603 if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5604 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = 0; 5605 } else if (paddrp->spp_hbinterval) { 5606 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = sctp_msecs_to_ticks(paddrp->spp_hbinterval); 5607 } 5608 sctp_feature_off(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5609 } else if (paddrp->spp_flags & SPP_HB_DISABLE) { 5610 sctp_feature_on(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5611 } 5612 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 5613 inp->sctp_ep.default_mtu = 0; 5614 sctp_feature_off(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5615 } else if (paddrp->spp_flags & SPP_PMTUD_DISABLE) { 5616 if (paddrp->spp_pathmtu > 0) { 5617 inp->sctp_ep.default_mtu = paddrp->spp_pathmtu; 5618 } 5619 sctp_feature_on(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5620 } 5621 if (paddrp->spp_flags & SPP_DSCP) { 5622 inp->sctp_ep.default_dscp = paddrp->spp_dscp & 0xfc; 5623 inp->sctp_ep.default_dscp |= 0x01; 5624 } 5625 #ifdef INET6 5626 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 5627 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 5628 inp->sctp_ep.default_flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5629 inp->sctp_ep.default_flowlabel |= 0x80000000; 5630 } 5631 } 5632 #endif 5633 SCTP_INP_WUNLOCK(inp); 5634 } else { 5635 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5636 error = EINVAL; 5637 } 5638 } 5639 break; 5640 } 5641 case SCTP_RTOINFO: 5642 { 5643 struct sctp_rtoinfo *srto; 5644 uint32_t new_init, new_min, new_max; 5645 5646 SCTP_CHECK_AND_CAST(srto, optval, struct sctp_rtoinfo, optsize); 5647 SCTP_FIND_STCB(inp, stcb, srto->srto_assoc_id); 5648 5649 if (stcb) { 5650 if (srto->srto_initial) 5651 new_init = srto->srto_initial; 5652 else 5653 new_init = stcb->asoc.initial_rto; 5654 if (srto->srto_max) 5655 new_max = srto->srto_max; 5656 else 5657 new_max = stcb->asoc.maxrto; 5658 if (srto->srto_min) 5659 new_min = srto->srto_min; 5660 else 5661 new_min = stcb->asoc.minrto; 5662 if ((new_min <= new_init) && (new_init <= new_max)) { 5663 stcb->asoc.initial_rto = new_init; 5664 stcb->asoc.maxrto = new_max; 5665 stcb->asoc.minrto = new_min; 5666 } else { 5667 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5668 error = EINVAL; 5669 } 5670 SCTP_TCB_UNLOCK(stcb); 5671 } else { 5672 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5673 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5674 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 5675 (srto->srto_assoc_id == SCTP_FUTURE_ASSOC))) { 5676 SCTP_INP_WLOCK(inp); 5677 if (srto->srto_initial) 5678 new_init = srto->srto_initial; 5679 else 5680 new_init = inp->sctp_ep.initial_rto; 5681 if (srto->srto_max) 5682 new_max = srto->srto_max; 5683 else 5684 new_max = inp->sctp_ep.sctp_maxrto; 5685 if (srto->srto_min) 5686 new_min = srto->srto_min; 5687 else 5688 new_min = inp->sctp_ep.sctp_minrto; 5689 if ((new_min <= new_init) && (new_init <= new_max)) { 5690 inp->sctp_ep.initial_rto = new_init; 5691 inp->sctp_ep.sctp_maxrto = new_max; 5692 inp->sctp_ep.sctp_minrto = new_min; 5693 } else { 5694 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5695 error = EINVAL; 5696 } 5697 SCTP_INP_WUNLOCK(inp); 5698 } else { 5699 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5700 error = EINVAL; 5701 } 5702 } 5703 break; 5704 } 5705 case SCTP_ASSOCINFO: 5706 { 5707 struct sctp_assocparams *sasoc; 5708 5709 SCTP_CHECK_AND_CAST(sasoc, optval, struct sctp_assocparams, optsize); 5710 SCTP_FIND_STCB(inp, stcb, sasoc->sasoc_assoc_id); 5711 if (sasoc->sasoc_cookie_life > 0) { 5712 /* boundary check the cookie life */ 5713 if (sasoc->sasoc_cookie_life < SCTP_MIN_COOKIE_LIFE) { 5714 sasoc->sasoc_cookie_life = SCTP_MIN_COOKIE_LIFE; 5715 } 5716 if (sasoc->sasoc_cookie_life > SCTP_MAX_COOKIE_LIFE) { 5717 sasoc->sasoc_cookie_life = SCTP_MAX_COOKIE_LIFE; 5718 } 5719 } 5720 if (stcb) { 5721 if (sasoc->sasoc_asocmaxrxt > 0) { 5722 stcb->asoc.max_send_times = sasoc->sasoc_asocmaxrxt; 5723 } 5724 if (sasoc->sasoc_cookie_life > 0) { 5725 stcb->asoc.cookie_life = sctp_msecs_to_ticks(sasoc->sasoc_cookie_life); 5726 } 5727 SCTP_TCB_UNLOCK(stcb); 5728 } else { 5729 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5730 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5731 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 5732 (sasoc->sasoc_assoc_id == SCTP_FUTURE_ASSOC))) { 5733 SCTP_INP_WLOCK(inp); 5734 if (sasoc->sasoc_asocmaxrxt > 0) { 5735 inp->sctp_ep.max_send_times = sasoc->sasoc_asocmaxrxt; 5736 } 5737 if (sasoc->sasoc_cookie_life > 0) { 5738 inp->sctp_ep.def_cookie_life = sctp_msecs_to_ticks(sasoc->sasoc_cookie_life); 5739 } 5740 SCTP_INP_WUNLOCK(inp); 5741 } else { 5742 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5743 error = EINVAL; 5744 } 5745 } 5746 break; 5747 } 5748 case SCTP_INITMSG: 5749 { 5750 struct sctp_initmsg *sinit; 5751 5752 SCTP_CHECK_AND_CAST(sinit, optval, struct sctp_initmsg, optsize); 5753 SCTP_INP_WLOCK(inp); 5754 if (sinit->sinit_num_ostreams) 5755 inp->sctp_ep.pre_open_stream_count = sinit->sinit_num_ostreams; 5756 5757 if (sinit->sinit_max_instreams) 5758 inp->sctp_ep.max_open_streams_intome = sinit->sinit_max_instreams; 5759 5760 if (sinit->sinit_max_attempts) 5761 inp->sctp_ep.max_init_times = sinit->sinit_max_attempts; 5762 5763 if (sinit->sinit_max_init_timeo) 5764 inp->sctp_ep.initial_init_rto_max = sinit->sinit_max_init_timeo; 5765 SCTP_INP_WUNLOCK(inp); 5766 break; 5767 } 5768 case SCTP_PRIMARY_ADDR: 5769 { 5770 struct sctp_setprim *spa; 5771 struct sctp_nets *net; 5772 struct sockaddr *addr; 5773 #if defined(INET) && defined(INET6) 5774 struct sockaddr_in sin_store; 5775 #endif 5776 5777 SCTP_CHECK_AND_CAST(spa, optval, struct sctp_setprim, optsize); 5778 SCTP_FIND_STCB(inp, stcb, spa->ssp_assoc_id); 5779 5780 #if defined(INET) && defined(INET6) 5781 if (spa->ssp_addr.ss_family == AF_INET6) { 5782 struct sockaddr_in6 *sin6; 5783 5784 sin6 = (struct sockaddr_in6 *)&spa->ssp_addr; 5785 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 5786 in6_sin6_2_sin(&sin_store, sin6); 5787 addr = (struct sockaddr *)&sin_store; 5788 } else { 5789 addr = (struct sockaddr *)&spa->ssp_addr; 5790 } 5791 } else { 5792 addr = (struct sockaddr *)&spa->ssp_addr; 5793 } 5794 #else 5795 addr = (struct sockaddr *)&spa->ssp_addr; 5796 #endif 5797 if (stcb != NULL) { 5798 net = sctp_findnet(stcb, addr); 5799 } else { 5800 /* 5801 * We increment here since 5802 * sctp_findassociation_ep_addr() wil do a 5803 * decrement if it finds the stcb as long as 5804 * the locked tcb (last argument) is NOT a 5805 * TCB.. aka NULL. 5806 */ 5807 net = NULL; 5808 SCTP_INP_INCR_REF(inp); 5809 stcb = sctp_findassociation_ep_addr(&inp, addr, 5810 &net, NULL, NULL); 5811 if (stcb == NULL) { 5812 SCTP_INP_DECR_REF(inp); 5813 } 5814 } 5815 5816 if ((stcb != NULL) && (net != NULL)) { 5817 if (net != stcb->asoc.primary_destination) { 5818 if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED)) { 5819 /* Ok we need to set it */ 5820 if (sctp_set_primary_addr(stcb, (struct sockaddr *)NULL, net) == 0) { 5821 if ((stcb->asoc.alternate) && 5822 (!(net->dest_state & SCTP_ADDR_PF)) && 5823 (net->dest_state & SCTP_ADDR_REACHABLE)) { 5824 sctp_free_remote_addr(stcb->asoc.alternate); 5825 stcb->asoc.alternate = NULL; 5826 } 5827 } else { 5828 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5829 error = EINVAL; 5830 } 5831 } else { 5832 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5833 error = EINVAL; 5834 } 5835 } 5836 } else { 5837 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5838 error = EINVAL; 5839 } 5840 if (stcb != NULL) { 5841 SCTP_TCB_UNLOCK(stcb); 5842 } 5843 break; 5844 } 5845 case SCTP_SET_DYNAMIC_PRIMARY: 5846 { 5847 union sctp_sockstore *ss; 5848 5849 error = priv_check(curthread, 5850 PRIV_NETINET_RESERVEDPORT); 5851 if (error) 5852 break; 5853 5854 SCTP_CHECK_AND_CAST(ss, optval, union sctp_sockstore, optsize); 5855 /* SUPER USER CHECK? */ 5856 error = sctp_dynamic_set_primary(&ss->sa, vrf_id); 5857 break; 5858 } 5859 case SCTP_SET_PEER_PRIMARY_ADDR: 5860 { 5861 struct sctp_setpeerprim *sspp; 5862 struct sockaddr *addr; 5863 #if defined(INET) && defined(INET6) 5864 struct sockaddr_in sin_store; 5865 #endif 5866 5867 SCTP_CHECK_AND_CAST(sspp, optval, struct sctp_setpeerprim, optsize); 5868 SCTP_FIND_STCB(inp, stcb, sspp->sspp_assoc_id); 5869 if (stcb != NULL) { 5870 struct sctp_ifa *ifa; 5871 5872 #if defined(INET) && defined(INET6) 5873 if (sspp->sspp_addr.ss_family == AF_INET6) { 5874 struct sockaddr_in6 *sin6; 5875 5876 sin6 = (struct sockaddr_in6 *)&sspp->sspp_addr; 5877 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 5878 in6_sin6_2_sin(&sin_store, sin6); 5879 addr = (struct sockaddr *)&sin_store; 5880 } else { 5881 addr = (struct sockaddr *)&sspp->sspp_addr; 5882 } 5883 } else { 5884 addr = (struct sockaddr *)&sspp->sspp_addr; 5885 } 5886 #else 5887 addr = (struct sockaddr *)&sspp->sspp_addr; 5888 #endif 5889 ifa = sctp_find_ifa_by_addr(addr, stcb->asoc.vrf_id, SCTP_ADDR_NOT_LOCKED); 5890 if (ifa == NULL) { 5891 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5892 error = EINVAL; 5893 goto out_of_it; 5894 } 5895 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) { 5896 /* 5897 * Must validate the ifa found is in 5898 * our ep 5899 */ 5900 struct sctp_laddr *laddr; 5901 int found = 0; 5902 5903 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 5904 if (laddr->ifa == NULL) { 5905 SCTPDBG(SCTP_DEBUG_OUTPUT1, "%s: NULL ifa\n", 5906 __func__); 5907 continue; 5908 } 5909 if ((sctp_is_addr_restricted(stcb, laddr->ifa)) && 5910 (!sctp_is_addr_pending(stcb, laddr->ifa))) { 5911 continue; 5912 } 5913 if (laddr->ifa == ifa) { 5914 found = 1; 5915 break; 5916 } 5917 } 5918 if (!found) { 5919 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5920 error = EINVAL; 5921 goto out_of_it; 5922 } 5923 } else { 5924 switch (addr->sa_family) { 5925 #ifdef INET 5926 case AF_INET: 5927 { 5928 struct sockaddr_in *sin; 5929 5930 sin = (struct sockaddr_in *)addr; 5931 if (prison_check_ip4(inp->ip_inp.inp.inp_cred, 5932 &sin->sin_addr) != 0) { 5933 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5934 error = EINVAL; 5935 goto out_of_it; 5936 } 5937 break; 5938 } 5939 #endif 5940 #ifdef INET6 5941 case AF_INET6: 5942 { 5943 struct sockaddr_in6 *sin6; 5944 5945 sin6 = (struct sockaddr_in6 *)addr; 5946 if (prison_check_ip6(inp->ip_inp.inp.inp_cred, 5947 &sin6->sin6_addr) != 0) { 5948 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5949 error = EINVAL; 5950 goto out_of_it; 5951 } 5952 break; 5953 } 5954 #endif 5955 default: 5956 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5957 error = EINVAL; 5958 goto out_of_it; 5959 } 5960 } 5961 if (sctp_set_primary_ip_address_sa(stcb, addr) != 0) { 5962 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5963 error = EINVAL; 5964 } 5965 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_SOCKOPT, SCTP_SO_LOCKED); 5966 out_of_it: 5967 SCTP_TCB_UNLOCK(stcb); 5968 } else { 5969 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5970 error = EINVAL; 5971 } 5972 break; 5973 } 5974 case SCTP_BINDX_ADD_ADDR: 5975 { 5976 struct sockaddr *sa; 5977 struct thread *td; 5978 5979 td = (struct thread *)p; 5980 SCTP_CHECK_AND_CAST(sa, optval, struct sockaddr, optsize); 5981 #ifdef INET 5982 if (sa->sa_family == AF_INET) { 5983 if (optsize < sizeof(struct sockaddr_in)) { 5984 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5985 error = EINVAL; 5986 break; 5987 } 5988 if (td != NULL && 5989 (error = prison_local_ip4(td->td_ucred, &(((struct sockaddr_in *)sa)->sin_addr)))) { 5990 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5991 break; 5992 } 5993 } else 5994 #endif 5995 #ifdef INET6 5996 if (sa->sa_family == AF_INET6) { 5997 if (optsize < sizeof(struct sockaddr_in6)) { 5998 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5999 error = EINVAL; 6000 break; 6001 } 6002 if (td != NULL && 6003 (error = prison_local_ip6(td->td_ucred, 6004 &(((struct sockaddr_in6 *)sa)->sin6_addr), 6005 (SCTP_IPV6_V6ONLY(inp) != 0))) != 0) { 6006 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 6007 break; 6008 } 6009 } else 6010 #endif 6011 { 6012 error = EAFNOSUPPORT; 6013 break; 6014 } 6015 sctp_bindx_add_address(so, inp, sa, vrf_id, &error, p); 6016 break; 6017 } 6018 case SCTP_BINDX_REM_ADDR: 6019 { 6020 struct sockaddr *sa; 6021 struct thread *td; 6022 6023 td = (struct thread *)p; 6024 6025 SCTP_CHECK_AND_CAST(sa, optval, struct sockaddr, optsize); 6026 #ifdef INET 6027 if (sa->sa_family == AF_INET) { 6028 if (optsize < sizeof(struct sockaddr_in)) { 6029 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6030 error = EINVAL; 6031 break; 6032 } 6033 if (td != NULL && 6034 (error = prison_local_ip4(td->td_ucred, &(((struct sockaddr_in *)sa)->sin_addr)))) { 6035 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 6036 break; 6037 } 6038 } else 6039 #endif 6040 #ifdef INET6 6041 if (sa->sa_family == AF_INET6) { 6042 if (optsize < sizeof(struct sockaddr_in6)) { 6043 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6044 error = EINVAL; 6045 break; 6046 } 6047 if (td != NULL && 6048 (error = prison_local_ip6(td->td_ucred, 6049 &(((struct sockaddr_in6 *)sa)->sin6_addr), 6050 (SCTP_IPV6_V6ONLY(inp) != 0))) != 0) { 6051 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 6052 break; 6053 } 6054 } else 6055 #endif 6056 { 6057 error = EAFNOSUPPORT; 6058 break; 6059 } 6060 sctp_bindx_delete_address(inp, sa, vrf_id, &error); 6061 break; 6062 } 6063 case SCTP_EVENT: 6064 { 6065 struct sctp_event *event; 6066 uint32_t event_type; 6067 6068 SCTP_CHECK_AND_CAST(event, optval, struct sctp_event, optsize); 6069 SCTP_FIND_STCB(inp, stcb, event->se_assoc_id); 6070 switch (event->se_type) { 6071 case SCTP_ASSOC_CHANGE: 6072 event_type = SCTP_PCB_FLAGS_RECVASSOCEVNT; 6073 break; 6074 case SCTP_PEER_ADDR_CHANGE: 6075 event_type = SCTP_PCB_FLAGS_RECVPADDREVNT; 6076 break; 6077 case SCTP_REMOTE_ERROR: 6078 event_type = SCTP_PCB_FLAGS_RECVPEERERR; 6079 break; 6080 case SCTP_SEND_FAILED: 6081 event_type = SCTP_PCB_FLAGS_RECVSENDFAILEVNT; 6082 break; 6083 case SCTP_SHUTDOWN_EVENT: 6084 event_type = SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT; 6085 break; 6086 case SCTP_ADAPTATION_INDICATION: 6087 event_type = SCTP_PCB_FLAGS_ADAPTATIONEVNT; 6088 break; 6089 case SCTP_PARTIAL_DELIVERY_EVENT: 6090 event_type = SCTP_PCB_FLAGS_PDAPIEVNT; 6091 break; 6092 case SCTP_AUTHENTICATION_EVENT: 6093 event_type = SCTP_PCB_FLAGS_AUTHEVNT; 6094 break; 6095 case SCTP_STREAM_RESET_EVENT: 6096 event_type = SCTP_PCB_FLAGS_STREAM_RESETEVNT; 6097 break; 6098 case SCTP_SENDER_DRY_EVENT: 6099 event_type = SCTP_PCB_FLAGS_DRYEVNT; 6100 break; 6101 case SCTP_NOTIFICATIONS_STOPPED_EVENT: 6102 event_type = 0; 6103 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 6104 error = ENOTSUP; 6105 break; 6106 case SCTP_ASSOC_RESET_EVENT: 6107 event_type = SCTP_PCB_FLAGS_ASSOC_RESETEVNT; 6108 break; 6109 case SCTP_STREAM_CHANGE_EVENT: 6110 event_type = SCTP_PCB_FLAGS_STREAM_CHANGEEVNT; 6111 break; 6112 case SCTP_SEND_FAILED_EVENT: 6113 event_type = SCTP_PCB_FLAGS_RECVNSENDFAILEVNT; 6114 break; 6115 default: 6116 event_type = 0; 6117 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6118 error = EINVAL; 6119 break; 6120 } 6121 if (event_type > 0) { 6122 if (stcb) { 6123 if (event->se_on) { 6124 sctp_stcb_feature_on(inp, stcb, event_type); 6125 if (event_type == SCTP_PCB_FLAGS_DRYEVNT) { 6126 if (TAILQ_EMPTY(&stcb->asoc.send_queue) && 6127 TAILQ_EMPTY(&stcb->asoc.sent_queue) && 6128 (stcb->asoc.stream_queue_cnt == 0)) { 6129 sctp_ulp_notify(SCTP_NOTIFY_SENDER_DRY, stcb, 0, NULL, SCTP_SO_LOCKED); 6130 } 6131 } 6132 } else { 6133 sctp_stcb_feature_off(inp, stcb, event_type); 6134 } 6135 SCTP_TCB_UNLOCK(stcb); 6136 } else { 6137 /* 6138 * We don't want to send up a storm 6139 * of events, so return an error for 6140 * sender dry events 6141 */ 6142 if ((event_type == SCTP_PCB_FLAGS_DRYEVNT) && 6143 (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6144 ((event->se_assoc_id == SCTP_ALL_ASSOC) || 6145 (event->se_assoc_id == SCTP_CURRENT_ASSOC))) { 6146 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 6147 error = ENOTSUP; 6148 break; 6149 } 6150 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6151 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6152 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6153 ((event->se_assoc_id == SCTP_FUTURE_ASSOC) || 6154 (event->se_assoc_id == SCTP_ALL_ASSOC)))) { 6155 SCTP_INP_WLOCK(inp); 6156 if (event->se_on) { 6157 sctp_feature_on(inp, event_type); 6158 } else { 6159 sctp_feature_off(inp, event_type); 6160 } 6161 SCTP_INP_WUNLOCK(inp); 6162 } 6163 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6164 ((event->se_assoc_id == SCTP_CURRENT_ASSOC) || 6165 (event->se_assoc_id == SCTP_ALL_ASSOC))) { 6166 SCTP_INP_RLOCK(inp); 6167 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 6168 SCTP_TCB_LOCK(stcb); 6169 if (event->se_on) { 6170 sctp_stcb_feature_on(inp, stcb, event_type); 6171 } else { 6172 sctp_stcb_feature_off(inp, stcb, event_type); 6173 } 6174 SCTP_TCB_UNLOCK(stcb); 6175 } 6176 SCTP_INP_RUNLOCK(inp); 6177 } 6178 } 6179 } else { 6180 if (stcb) { 6181 SCTP_TCB_UNLOCK(stcb); 6182 } 6183 } 6184 break; 6185 } 6186 case SCTP_RECVRCVINFO: 6187 { 6188 int *onoff; 6189 6190 SCTP_CHECK_AND_CAST(onoff, optval, int, optsize); 6191 SCTP_INP_WLOCK(inp); 6192 if (*onoff != 0) { 6193 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 6194 } else { 6195 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 6196 } 6197 SCTP_INP_WUNLOCK(inp); 6198 break; 6199 } 6200 case SCTP_RECVNXTINFO: 6201 { 6202 int *onoff; 6203 6204 SCTP_CHECK_AND_CAST(onoff, optval, int, optsize); 6205 SCTP_INP_WLOCK(inp); 6206 if (*onoff != 0) { 6207 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 6208 } else { 6209 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 6210 } 6211 SCTP_INP_WUNLOCK(inp); 6212 break; 6213 } 6214 case SCTP_DEFAULT_SNDINFO: 6215 { 6216 struct sctp_sndinfo *info; 6217 uint16_t policy; 6218 6219 SCTP_CHECK_AND_CAST(info, optval, struct sctp_sndinfo, optsize); 6220 SCTP_FIND_STCB(inp, stcb, info->snd_assoc_id); 6221 6222 if (stcb) { 6223 if (info->snd_sid < stcb->asoc.streamoutcnt) { 6224 stcb->asoc.def_send.sinfo_stream = info->snd_sid; 6225 policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 6226 stcb->asoc.def_send.sinfo_flags = info->snd_flags; 6227 stcb->asoc.def_send.sinfo_flags |= policy; 6228 stcb->asoc.def_send.sinfo_ppid = info->snd_ppid; 6229 stcb->asoc.def_send.sinfo_context = info->snd_context; 6230 } else { 6231 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6232 error = EINVAL; 6233 } 6234 SCTP_TCB_UNLOCK(stcb); 6235 } else { 6236 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6237 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6238 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6239 ((info->snd_assoc_id == SCTP_FUTURE_ASSOC) || 6240 (info->snd_assoc_id == SCTP_ALL_ASSOC)))) { 6241 SCTP_INP_WLOCK(inp); 6242 inp->def_send.sinfo_stream = info->snd_sid; 6243 policy = PR_SCTP_POLICY(inp->def_send.sinfo_flags); 6244 inp->def_send.sinfo_flags = info->snd_flags; 6245 inp->def_send.sinfo_flags |= policy; 6246 inp->def_send.sinfo_ppid = info->snd_ppid; 6247 inp->def_send.sinfo_context = info->snd_context; 6248 SCTP_INP_WUNLOCK(inp); 6249 } 6250 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6251 ((info->snd_assoc_id == SCTP_CURRENT_ASSOC) || 6252 (info->snd_assoc_id == SCTP_ALL_ASSOC))) { 6253 SCTP_INP_RLOCK(inp); 6254 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 6255 SCTP_TCB_LOCK(stcb); 6256 if (info->snd_sid < stcb->asoc.streamoutcnt) { 6257 stcb->asoc.def_send.sinfo_stream = info->snd_sid; 6258 policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 6259 stcb->asoc.def_send.sinfo_flags = info->snd_flags; 6260 stcb->asoc.def_send.sinfo_flags |= policy; 6261 stcb->asoc.def_send.sinfo_ppid = info->snd_ppid; 6262 stcb->asoc.def_send.sinfo_context = info->snd_context; 6263 } 6264 SCTP_TCB_UNLOCK(stcb); 6265 } 6266 SCTP_INP_RUNLOCK(inp); 6267 } 6268 } 6269 break; 6270 } 6271 case SCTP_DEFAULT_PRINFO: 6272 { 6273 struct sctp_default_prinfo *info; 6274 6275 SCTP_CHECK_AND_CAST(info, optval, struct sctp_default_prinfo, optsize); 6276 SCTP_FIND_STCB(inp, stcb, info->pr_assoc_id); 6277 6278 if (info->pr_policy > SCTP_PR_SCTP_MAX) { 6279 if (stcb) { 6280 SCTP_TCB_UNLOCK(stcb); 6281 } 6282 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6283 error = EINVAL; 6284 break; 6285 } 6286 if (stcb) { 6287 stcb->asoc.def_send.sinfo_flags &= 0xfff0; 6288 stcb->asoc.def_send.sinfo_flags |= info->pr_policy; 6289 stcb->asoc.def_send.sinfo_timetolive = info->pr_value; 6290 SCTP_TCB_UNLOCK(stcb); 6291 } else { 6292 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6293 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6294 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6295 ((info->pr_assoc_id == SCTP_FUTURE_ASSOC) || 6296 (info->pr_assoc_id == SCTP_ALL_ASSOC)))) { 6297 SCTP_INP_WLOCK(inp); 6298 inp->def_send.sinfo_flags &= 0xfff0; 6299 inp->def_send.sinfo_flags |= info->pr_policy; 6300 inp->def_send.sinfo_timetolive = info->pr_value; 6301 SCTP_INP_WUNLOCK(inp); 6302 } 6303 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6304 ((info->pr_assoc_id == SCTP_CURRENT_ASSOC) || 6305 (info->pr_assoc_id == SCTP_ALL_ASSOC))) { 6306 SCTP_INP_RLOCK(inp); 6307 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 6308 SCTP_TCB_LOCK(stcb); 6309 stcb->asoc.def_send.sinfo_flags &= 0xfff0; 6310 stcb->asoc.def_send.sinfo_flags |= info->pr_policy; 6311 stcb->asoc.def_send.sinfo_timetolive = info->pr_value; 6312 SCTP_TCB_UNLOCK(stcb); 6313 } 6314 SCTP_INP_RUNLOCK(inp); 6315 } 6316 } 6317 break; 6318 } 6319 case SCTP_PEER_ADDR_THLDS: 6320 /* Applies to the specific association */ 6321 { 6322 struct sctp_paddrthlds *thlds; 6323 struct sctp_nets *net; 6324 struct sockaddr *addr; 6325 #if defined(INET) && defined(INET6) 6326 struct sockaddr_in sin_store; 6327 #endif 6328 6329 SCTP_CHECK_AND_CAST(thlds, optval, struct sctp_paddrthlds, optsize); 6330 SCTP_FIND_STCB(inp, stcb, thlds->spt_assoc_id); 6331 6332 #if defined(INET) && defined(INET6) 6333 if (thlds->spt_address.ss_family == AF_INET6) { 6334 struct sockaddr_in6 *sin6; 6335 6336 sin6 = (struct sockaddr_in6 *)&thlds->spt_address; 6337 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 6338 in6_sin6_2_sin(&sin_store, sin6); 6339 addr = (struct sockaddr *)&sin_store; 6340 } else { 6341 addr = (struct sockaddr *)&thlds->spt_address; 6342 } 6343 } else { 6344 addr = (struct sockaddr *)&thlds->spt_address; 6345 } 6346 #else 6347 addr = (struct sockaddr *)&thlds->spt_address; 6348 #endif 6349 if (stcb != NULL) { 6350 net = sctp_findnet(stcb, addr); 6351 } else { 6352 /* 6353 * We increment here since 6354 * sctp_findassociation_ep_addr() wil do a 6355 * decrement if it finds the stcb as long as 6356 * the locked tcb (last argument) is NOT a 6357 * TCB.. aka NULL. 6358 */ 6359 net = NULL; 6360 SCTP_INP_INCR_REF(inp); 6361 stcb = sctp_findassociation_ep_addr(&inp, addr, 6362 &net, NULL, NULL); 6363 if (stcb == NULL) { 6364 SCTP_INP_DECR_REF(inp); 6365 } 6366 } 6367 if ((stcb != NULL) && (net == NULL)) { 6368 #ifdef INET 6369 if (addr->sa_family == AF_INET) { 6370 struct sockaddr_in *sin; 6371 6372 sin = (struct sockaddr_in *)addr; 6373 if (sin->sin_addr.s_addr != INADDR_ANY) { 6374 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6375 SCTP_TCB_UNLOCK(stcb); 6376 error = EINVAL; 6377 break; 6378 } 6379 } else 6380 #endif 6381 #ifdef INET6 6382 if (addr->sa_family == AF_INET6) { 6383 struct sockaddr_in6 *sin6; 6384 6385 sin6 = (struct sockaddr_in6 *)addr; 6386 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 6387 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6388 SCTP_TCB_UNLOCK(stcb); 6389 error = EINVAL; 6390 break; 6391 } 6392 } else 6393 #endif 6394 { 6395 error = EAFNOSUPPORT; 6396 SCTP_TCB_UNLOCK(stcb); 6397 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6398 break; 6399 } 6400 } 6401 if (thlds->spt_pathcpthld != 0xffff) { 6402 if (stcb != NULL) { 6403 SCTP_TCB_UNLOCK(stcb); 6404 } 6405 error = EINVAL; 6406 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6407 break; 6408 } 6409 if (stcb != NULL) { 6410 if (net != NULL) { 6411 net->failure_threshold = thlds->spt_pathmaxrxt; 6412 net->pf_threshold = thlds->spt_pathpfthld; 6413 if (net->dest_state & SCTP_ADDR_PF) { 6414 if ((net->error_count > net->failure_threshold) || 6415 (net->error_count <= net->pf_threshold)) { 6416 net->dest_state &= ~SCTP_ADDR_PF; 6417 } 6418 } else { 6419 if ((net->error_count > net->pf_threshold) && 6420 (net->error_count <= net->failure_threshold)) { 6421 net->dest_state |= SCTP_ADDR_PF; 6422 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 6423 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 6424 stcb->sctp_ep, stcb, net, 6425 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_17); 6426 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 6427 } 6428 } 6429 if (net->dest_state & SCTP_ADDR_REACHABLE) { 6430 if (net->error_count > net->failure_threshold) { 6431 net->dest_state &= ~SCTP_ADDR_REACHABLE; 6432 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 6433 } 6434 } else { 6435 if (net->error_count <= net->failure_threshold) { 6436 net->dest_state |= SCTP_ADDR_REACHABLE; 6437 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 6438 } 6439 } 6440 } else { 6441 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 6442 net->failure_threshold = thlds->spt_pathmaxrxt; 6443 net->pf_threshold = thlds->spt_pathpfthld; 6444 if (net->dest_state & SCTP_ADDR_PF) { 6445 if ((net->error_count > net->failure_threshold) || 6446 (net->error_count <= net->pf_threshold)) { 6447 net->dest_state &= ~SCTP_ADDR_PF; 6448 } 6449 } else { 6450 if ((net->error_count > net->pf_threshold) && 6451 (net->error_count <= net->failure_threshold)) { 6452 net->dest_state |= SCTP_ADDR_PF; 6453 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 6454 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 6455 stcb->sctp_ep, stcb, net, 6456 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_18); 6457 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 6458 } 6459 } 6460 if (net->dest_state & SCTP_ADDR_REACHABLE) { 6461 if (net->error_count > net->failure_threshold) { 6462 net->dest_state &= ~SCTP_ADDR_REACHABLE; 6463 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 6464 } 6465 } else { 6466 if (net->error_count <= net->failure_threshold) { 6467 net->dest_state |= SCTP_ADDR_REACHABLE; 6468 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 6469 } 6470 } 6471 } 6472 stcb->asoc.def_net_failure = thlds->spt_pathmaxrxt; 6473 stcb->asoc.def_net_pf_threshold = thlds->spt_pathpfthld; 6474 } 6475 SCTP_TCB_UNLOCK(stcb); 6476 } else { 6477 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6478 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6479 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6480 (thlds->spt_assoc_id == SCTP_FUTURE_ASSOC))) { 6481 SCTP_INP_WLOCK(inp); 6482 inp->sctp_ep.def_net_failure = thlds->spt_pathmaxrxt; 6483 inp->sctp_ep.def_net_pf_threshold = thlds->spt_pathpfthld; 6484 SCTP_INP_WUNLOCK(inp); 6485 } else { 6486 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6487 error = EINVAL; 6488 } 6489 } 6490 break; 6491 } 6492 case SCTP_REMOTE_UDP_ENCAPS_PORT: 6493 { 6494 struct sctp_udpencaps *encaps; 6495 struct sctp_nets *net; 6496 struct sockaddr *addr; 6497 #if defined(INET) && defined(INET6) 6498 struct sockaddr_in sin_store; 6499 #endif 6500 6501 SCTP_CHECK_AND_CAST(encaps, optval, struct sctp_udpencaps, optsize); 6502 SCTP_FIND_STCB(inp, stcb, encaps->sue_assoc_id); 6503 6504 #if defined(INET) && defined(INET6) 6505 if (encaps->sue_address.ss_family == AF_INET6) { 6506 struct sockaddr_in6 *sin6; 6507 6508 sin6 = (struct sockaddr_in6 *)&encaps->sue_address; 6509 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 6510 in6_sin6_2_sin(&sin_store, sin6); 6511 addr = (struct sockaddr *)&sin_store; 6512 } else { 6513 addr = (struct sockaddr *)&encaps->sue_address; 6514 } 6515 } else { 6516 addr = (struct sockaddr *)&encaps->sue_address; 6517 } 6518 #else 6519 addr = (struct sockaddr *)&encaps->sue_address; 6520 #endif 6521 if (stcb != NULL) { 6522 net = sctp_findnet(stcb, addr); 6523 } else { 6524 /* 6525 * We increment here since 6526 * sctp_findassociation_ep_addr() wil do a 6527 * decrement if it finds the stcb as long as 6528 * the locked tcb (last argument) is NOT a 6529 * TCB.. aka NULL. 6530 */ 6531 net = NULL; 6532 SCTP_INP_INCR_REF(inp); 6533 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 6534 if (stcb == NULL) { 6535 SCTP_INP_DECR_REF(inp); 6536 } 6537 } 6538 if ((stcb != NULL) && (net == NULL)) { 6539 #ifdef INET 6540 if (addr->sa_family == AF_INET) { 6541 struct sockaddr_in *sin; 6542 6543 sin = (struct sockaddr_in *)addr; 6544 if (sin->sin_addr.s_addr != INADDR_ANY) { 6545 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6546 SCTP_TCB_UNLOCK(stcb); 6547 error = EINVAL; 6548 break; 6549 } 6550 } else 6551 #endif 6552 #ifdef INET6 6553 if (addr->sa_family == AF_INET6) { 6554 struct sockaddr_in6 *sin6; 6555 6556 sin6 = (struct sockaddr_in6 *)addr; 6557 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 6558 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6559 SCTP_TCB_UNLOCK(stcb); 6560 error = EINVAL; 6561 break; 6562 } 6563 } else 6564 #endif 6565 { 6566 error = EAFNOSUPPORT; 6567 SCTP_TCB_UNLOCK(stcb); 6568 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6569 break; 6570 } 6571 } 6572 6573 if (stcb != NULL) { 6574 if (net != NULL) { 6575 net->port = encaps->sue_port; 6576 } else { 6577 stcb->asoc.port = encaps->sue_port; 6578 } 6579 SCTP_TCB_UNLOCK(stcb); 6580 } else { 6581 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6582 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6583 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6584 (encaps->sue_assoc_id == SCTP_FUTURE_ASSOC))) { 6585 SCTP_INP_WLOCK(inp); 6586 inp->sctp_ep.port = encaps->sue_port; 6587 SCTP_INP_WUNLOCK(inp); 6588 } else { 6589 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6590 error = EINVAL; 6591 } 6592 } 6593 break; 6594 } 6595 case SCTP_ECN_SUPPORTED: 6596 { 6597 struct sctp_assoc_value *av; 6598 6599 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6600 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6601 6602 if (stcb) { 6603 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6604 error = EINVAL; 6605 SCTP_TCB_UNLOCK(stcb); 6606 } else { 6607 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6608 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6609 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6610 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 6611 SCTP_INP_WLOCK(inp); 6612 if (av->assoc_value == 0) { 6613 inp->ecn_supported = 0; 6614 } else { 6615 inp->ecn_supported = 1; 6616 } 6617 SCTP_INP_WUNLOCK(inp); 6618 } else { 6619 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6620 error = EINVAL; 6621 } 6622 } 6623 break; 6624 } 6625 case SCTP_PR_SUPPORTED: 6626 { 6627 struct sctp_assoc_value *av; 6628 6629 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6630 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6631 6632 if (stcb) { 6633 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6634 error = EINVAL; 6635 SCTP_TCB_UNLOCK(stcb); 6636 } else { 6637 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6638 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6639 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6640 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 6641 SCTP_INP_WLOCK(inp); 6642 if (av->assoc_value == 0) { 6643 inp->prsctp_supported = 0; 6644 } else { 6645 inp->prsctp_supported = 1; 6646 } 6647 SCTP_INP_WUNLOCK(inp); 6648 } else { 6649 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6650 error = EINVAL; 6651 } 6652 } 6653 break; 6654 } 6655 case SCTP_AUTH_SUPPORTED: 6656 { 6657 struct sctp_assoc_value *av; 6658 6659 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6660 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6661 6662 if (stcb) { 6663 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6664 error = EINVAL; 6665 SCTP_TCB_UNLOCK(stcb); 6666 } else { 6667 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6668 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6669 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6670 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 6671 if ((av->assoc_value == 0) && 6672 (inp->asconf_supported == 1)) { 6673 /* 6674 * AUTH is required for 6675 * ASCONF 6676 */ 6677 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6678 error = EINVAL; 6679 } else { 6680 SCTP_INP_WLOCK(inp); 6681 if (av->assoc_value == 0) { 6682 inp->auth_supported = 0; 6683 } else { 6684 inp->auth_supported = 1; 6685 } 6686 SCTP_INP_WUNLOCK(inp); 6687 } 6688 } else { 6689 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6690 error = EINVAL; 6691 } 6692 } 6693 break; 6694 } 6695 case SCTP_ASCONF_SUPPORTED: 6696 { 6697 struct sctp_assoc_value *av; 6698 6699 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6700 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6701 6702 if (stcb) { 6703 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6704 error = EINVAL; 6705 SCTP_TCB_UNLOCK(stcb); 6706 } else { 6707 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6708 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6709 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6710 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 6711 if ((av->assoc_value != 0) && 6712 (inp->auth_supported == 0)) { 6713 /* 6714 * AUTH is required for 6715 * ASCONF 6716 */ 6717 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6718 error = EINVAL; 6719 } else { 6720 SCTP_INP_WLOCK(inp); 6721 if (av->assoc_value == 0) { 6722 inp->asconf_supported = 0; 6723 sctp_auth_delete_chunk(SCTP_ASCONF, 6724 inp->sctp_ep.local_auth_chunks); 6725 sctp_auth_delete_chunk(SCTP_ASCONF_ACK, 6726 inp->sctp_ep.local_auth_chunks); 6727 } else { 6728 inp->asconf_supported = 1; 6729 sctp_auth_add_chunk(SCTP_ASCONF, 6730 inp->sctp_ep.local_auth_chunks); 6731 sctp_auth_add_chunk(SCTP_ASCONF_ACK, 6732 inp->sctp_ep.local_auth_chunks); 6733 } 6734 SCTP_INP_WUNLOCK(inp); 6735 } 6736 } else { 6737 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6738 error = EINVAL; 6739 } 6740 } 6741 break; 6742 } 6743 case SCTP_RECONFIG_SUPPORTED: 6744 { 6745 struct sctp_assoc_value *av; 6746 6747 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6748 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6749 6750 if (stcb) { 6751 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6752 error = EINVAL; 6753 SCTP_TCB_UNLOCK(stcb); 6754 } else { 6755 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6756 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6757 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6758 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 6759 SCTP_INP_WLOCK(inp); 6760 if (av->assoc_value == 0) { 6761 inp->reconfig_supported = 0; 6762 } else { 6763 inp->reconfig_supported = 1; 6764 } 6765 SCTP_INP_WUNLOCK(inp); 6766 } else { 6767 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6768 error = EINVAL; 6769 } 6770 } 6771 break; 6772 } 6773 case SCTP_NRSACK_SUPPORTED: 6774 { 6775 struct sctp_assoc_value *av; 6776 6777 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6778 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6779 6780 if (stcb) { 6781 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6782 error = EINVAL; 6783 SCTP_TCB_UNLOCK(stcb); 6784 } else { 6785 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6786 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6787 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6788 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 6789 SCTP_INP_WLOCK(inp); 6790 if (av->assoc_value == 0) { 6791 inp->nrsack_supported = 0; 6792 } else { 6793 inp->nrsack_supported = 1; 6794 } 6795 SCTP_INP_WUNLOCK(inp); 6796 } else { 6797 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6798 error = EINVAL; 6799 } 6800 } 6801 break; 6802 } 6803 case SCTP_PKTDROP_SUPPORTED: 6804 { 6805 struct sctp_assoc_value *av; 6806 6807 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6808 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6809 6810 if (stcb) { 6811 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6812 error = EINVAL; 6813 SCTP_TCB_UNLOCK(stcb); 6814 } else { 6815 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6816 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6817 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6818 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 6819 SCTP_INP_WLOCK(inp); 6820 if (av->assoc_value == 0) { 6821 inp->pktdrop_supported = 0; 6822 } else { 6823 inp->pktdrop_supported = 1; 6824 } 6825 SCTP_INP_WUNLOCK(inp); 6826 } else { 6827 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6828 error = EINVAL; 6829 } 6830 } 6831 break; 6832 } 6833 case SCTP_MAX_CWND: 6834 { 6835 struct sctp_assoc_value *av; 6836 struct sctp_nets *net; 6837 6838 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6839 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6840 6841 if (stcb) { 6842 stcb->asoc.max_cwnd = av->assoc_value; 6843 if (stcb->asoc.max_cwnd > 0) { 6844 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 6845 if ((net->cwnd > stcb->asoc.max_cwnd) && 6846 (net->cwnd > (net->mtu - sizeof(struct sctphdr)))) { 6847 net->cwnd = stcb->asoc.max_cwnd; 6848 if (net->cwnd < (net->mtu - sizeof(struct sctphdr))) { 6849 net->cwnd = net->mtu - sizeof(struct sctphdr); 6850 } 6851 } 6852 } 6853 } 6854 SCTP_TCB_UNLOCK(stcb); 6855 } else { 6856 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6857 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6858 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6859 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 6860 SCTP_INP_WLOCK(inp); 6861 inp->max_cwnd = av->assoc_value; 6862 SCTP_INP_WUNLOCK(inp); 6863 } else { 6864 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6865 error = EINVAL; 6866 } 6867 } 6868 break; 6869 } 6870 default: 6871 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 6872 error = ENOPROTOOPT; 6873 break; 6874 } /* end switch (opt) */ 6875 return (error); 6876 } 6877 6878 int 6879 sctp_ctloutput(struct socket *so, struct sockopt *sopt) 6880 { 6881 struct epoch_tracker et; 6882 struct sctp_inpcb *inp; 6883 void *optval = NULL; 6884 void *p; 6885 size_t optsize = 0; 6886 int error = 0; 6887 6888 if ((sopt->sopt_level == SOL_SOCKET) && 6889 (sopt->sopt_name == SO_SETFIB)) { 6890 inp = (struct sctp_inpcb *)so->so_pcb; 6891 if (inp == NULL) { 6892 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOBUFS); 6893 return (EINVAL); 6894 } 6895 SCTP_INP_WLOCK(inp); 6896 inp->fibnum = so->so_fibnum; 6897 SCTP_INP_WUNLOCK(inp); 6898 return (0); 6899 } 6900 if (sopt->sopt_level != IPPROTO_SCTP) { 6901 /* wrong proto level... send back up to IP */ 6902 #ifdef INET6 6903 if (INP_CHECK_SOCKAF(so, AF_INET6)) 6904 error = ip6_ctloutput(so, sopt); 6905 #endif /* INET6 */ 6906 #if defined(INET) && defined(INET6) 6907 else 6908 #endif 6909 #ifdef INET 6910 error = ip_ctloutput(so, sopt); 6911 #endif 6912 return (error); 6913 } 6914 optsize = sopt->sopt_valsize; 6915 if (optsize > SCTP_SOCKET_OPTION_LIMIT) { 6916 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOBUFS); 6917 return (ENOBUFS); 6918 } 6919 if (optsize) { 6920 SCTP_MALLOC(optval, void *, optsize, SCTP_M_SOCKOPT); 6921 if (optval == NULL) { 6922 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOBUFS); 6923 return (ENOBUFS); 6924 } 6925 error = sooptcopyin(sopt, optval, optsize, optsize); 6926 if (error) { 6927 SCTP_FREE(optval, SCTP_M_SOCKOPT); 6928 goto out; 6929 } 6930 } 6931 p = (void *)sopt->sopt_td; 6932 if (sopt->sopt_dir == SOPT_SET) { 6933 NET_EPOCH_ENTER(et); 6934 error = sctp_setopt(so, sopt->sopt_name, optval, optsize, p); 6935 NET_EPOCH_EXIT(et); 6936 } else if (sopt->sopt_dir == SOPT_GET) { 6937 error = sctp_getopt(so, sopt->sopt_name, optval, &optsize, p); 6938 } else { 6939 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6940 error = EINVAL; 6941 } 6942 if ((error == 0) && (optval != NULL)) { 6943 error = sooptcopyout(sopt, optval, optsize); 6944 SCTP_FREE(optval, SCTP_M_SOCKOPT); 6945 } else if (optval != NULL) { 6946 SCTP_FREE(optval, SCTP_M_SOCKOPT); 6947 } 6948 out: 6949 return (error); 6950 } 6951 6952 #ifdef INET 6953 static int 6954 sctp_connect(struct socket *so, struct sockaddr *addr, struct thread *p) 6955 { 6956 struct epoch_tracker et; 6957 int error = 0; 6958 int create_lock_on = 0; 6959 uint32_t vrf_id; 6960 struct sctp_inpcb *inp; 6961 struct sctp_tcb *stcb = NULL; 6962 6963 inp = (struct sctp_inpcb *)so->so_pcb; 6964 if (inp == NULL) { 6965 /* I made the same as TCP since we are not setup? */ 6966 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6967 return (ECONNRESET); 6968 } 6969 if (addr == NULL) { 6970 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6971 return EINVAL; 6972 } 6973 6974 switch (addr->sa_family) { 6975 #ifdef INET6 6976 case AF_INET6: 6977 { 6978 struct sockaddr_in6 *sin6; 6979 6980 if (addr->sa_len != sizeof(struct sockaddr_in6)) { 6981 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6982 return (EINVAL); 6983 } 6984 sin6 = (struct sockaddr_in6 *)addr; 6985 if (p != NULL && (error = prison_remote_ip6(p->td_ucred, &sin6->sin6_addr)) != 0) { 6986 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6987 return (error); 6988 } 6989 break; 6990 } 6991 #endif 6992 #ifdef INET 6993 case AF_INET: 6994 { 6995 struct sockaddr_in *sin; 6996 6997 if (addr->sa_len != sizeof(struct sockaddr_in)) { 6998 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6999 return (EINVAL); 7000 } 7001 sin = (struct sockaddr_in *)addr; 7002 if (p != NULL && (error = prison_remote_ip4(p->td_ucred, &sin->sin_addr)) != 0) { 7003 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 7004 return (error); 7005 } 7006 break; 7007 } 7008 #endif 7009 default: 7010 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EAFNOSUPPORT); 7011 return (EAFNOSUPPORT); 7012 } 7013 SCTP_INP_INCR_REF(inp); 7014 SCTP_ASOC_CREATE_LOCK(inp); 7015 create_lock_on = 1; 7016 NET_EPOCH_ENTER(et); 7017 7018 if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) || 7019 (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) { 7020 /* Should I really unlock ? */ 7021 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EFAULT); 7022 error = EFAULT; 7023 goto out_now; 7024 } 7025 #ifdef INET6 7026 if (((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) && 7027 (addr->sa_family == AF_INET6)) { 7028 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7029 error = EINVAL; 7030 goto out_now; 7031 } 7032 #endif 7033 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 7034 SCTP_PCB_FLAGS_UNBOUND) { 7035 /* Bind a ephemeral port */ 7036 error = sctp_inpcb_bind(so, NULL, NULL, p); 7037 if (error) { 7038 goto out_now; 7039 } 7040 } 7041 /* Now do we connect? */ 7042 if ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) && 7043 (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE))) { 7044 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7045 error = EINVAL; 7046 goto out_now; 7047 } 7048 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 7049 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 7050 /* We are already connected AND the TCP model */ 7051 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 7052 error = EADDRINUSE; 7053 goto out_now; 7054 } 7055 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 7056 SCTP_INP_RLOCK(inp); 7057 stcb = LIST_FIRST(&inp->sctp_asoc_list); 7058 SCTP_INP_RUNLOCK(inp); 7059 } else { 7060 /* 7061 * We increment here since sctp_findassociation_ep_addr() 7062 * will do a decrement if it finds the stcb as long as the 7063 * locked tcb (last argument) is NOT a TCB.. aka NULL. 7064 */ 7065 SCTP_INP_INCR_REF(inp); 7066 stcb = sctp_findassociation_ep_addr(&inp, addr, NULL, NULL, NULL); 7067 if (stcb == NULL) { 7068 SCTP_INP_DECR_REF(inp); 7069 } else { 7070 SCTP_TCB_UNLOCK(stcb); 7071 } 7072 } 7073 if (stcb != NULL) { 7074 /* Already have or am bring up an association */ 7075 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 7076 error = EALREADY; 7077 goto out_now; 7078 } 7079 7080 vrf_id = inp->def_vrf_id; 7081 /* We are GOOD to go */ 7082 stcb = sctp_aloc_assoc_connected(inp, addr, &error, 0, 0, vrf_id, 7083 inp->sctp_ep.pre_open_stream_count, 7084 inp->sctp_ep.port, p, 7085 SCTP_INITIALIZE_AUTH_PARAMS); 7086 if (stcb == NULL) { 7087 /* Gak! no memory */ 7088 goto out_now; 7089 } 7090 SCTP_SET_STATE(stcb, SCTP_STATE_COOKIE_WAIT); 7091 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 7092 7093 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 7094 SCTP_TCB_UNLOCK(stcb); 7095 out_now: 7096 NET_EPOCH_EXIT(et); 7097 if (create_lock_on) { 7098 SCTP_ASOC_CREATE_UNLOCK(inp); 7099 } 7100 SCTP_INP_DECR_REF(inp); 7101 return (error); 7102 } 7103 #endif 7104 7105 int 7106 sctp_listen(struct socket *so, int backlog, struct thread *p) 7107 { 7108 /* 7109 * Note this module depends on the protocol processing being called 7110 * AFTER any socket level flags and backlog are applied to the 7111 * socket. The traditional way that the socket flags are applied is 7112 * AFTER protocol processing. We have made a change to the 7113 * sys/kern/uipc_socket.c module to reverse this but this MUST be in 7114 * place if the socket API for SCTP is to work properly. 7115 */ 7116 7117 int error = 0; 7118 struct sctp_inpcb *inp; 7119 7120 inp = (struct sctp_inpcb *)so->so_pcb; 7121 if (inp == NULL) { 7122 /* I made the same as TCP since we are not setup? */ 7123 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7124 return (ECONNRESET); 7125 } 7126 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE)) { 7127 /* See if we have a listener */ 7128 struct sctp_inpcb *tinp; 7129 union sctp_sockstore store; 7130 7131 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) { 7132 /* not bound all */ 7133 struct sctp_laddr *laddr; 7134 7135 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 7136 memcpy(&store, &laddr->ifa->address, sizeof(store)); 7137 switch (store.sa.sa_family) { 7138 #ifdef INET 7139 case AF_INET: 7140 store.sin.sin_port = inp->sctp_lport; 7141 break; 7142 #endif 7143 #ifdef INET6 7144 case AF_INET6: 7145 store.sin6.sin6_port = inp->sctp_lport; 7146 break; 7147 #endif 7148 default: 7149 break; 7150 } 7151 tinp = sctp_pcb_findep(&store.sa, 0, 0, inp->def_vrf_id); 7152 if (tinp && (tinp != inp) && 7153 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) == 0) && 7154 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 7155 (SCTP_IS_LISTENING(tinp))) { 7156 /* 7157 * we have a listener already and 7158 * its not this inp. 7159 */ 7160 SCTP_INP_DECR_REF(tinp); 7161 return (EADDRINUSE); 7162 } else if (tinp) { 7163 SCTP_INP_DECR_REF(tinp); 7164 } 7165 } 7166 } else { 7167 /* Setup a local addr bound all */ 7168 memset(&store, 0, sizeof(store)); 7169 #ifdef INET6 7170 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 7171 store.sa.sa_family = AF_INET6; 7172 store.sa.sa_len = sizeof(struct sockaddr_in6); 7173 } 7174 #endif 7175 #ifdef INET 7176 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) { 7177 store.sa.sa_family = AF_INET; 7178 store.sa.sa_len = sizeof(struct sockaddr_in); 7179 } 7180 #endif 7181 switch (store.sa.sa_family) { 7182 #ifdef INET 7183 case AF_INET: 7184 store.sin.sin_port = inp->sctp_lport; 7185 break; 7186 #endif 7187 #ifdef INET6 7188 case AF_INET6: 7189 store.sin6.sin6_port = inp->sctp_lport; 7190 break; 7191 #endif 7192 default: 7193 break; 7194 } 7195 tinp = sctp_pcb_findep(&store.sa, 0, 0, inp->def_vrf_id); 7196 if (tinp && (tinp != inp) && 7197 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) == 0) && 7198 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 7199 (SCTP_IS_LISTENING(tinp))) { 7200 /* 7201 * we have a listener already and its not 7202 * this inp. 7203 */ 7204 SCTP_INP_DECR_REF(tinp); 7205 return (EADDRINUSE); 7206 } else if (tinp) { 7207 SCTP_INP_DECR_REF(tinp); 7208 } 7209 } 7210 } 7211 SCTP_INP_INFO_WLOCK(); 7212 SCTP_INP_WLOCK(inp); 7213 #ifdef SCTP_LOCK_LOGGING 7214 if (SCTP_BASE_SYSCTL(sctp_logging_level) & SCTP_LOCK_LOGGING_ENABLE) { 7215 sctp_log_lock(inp, (struct sctp_tcb *)NULL, SCTP_LOG_LOCK_SOCK); 7216 } 7217 #endif 7218 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE)) && 7219 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 7220 /* 7221 * The unlucky case - We are in the tcp pool with this guy. 7222 * - Someone else is in the main inp slot. - We must move 7223 * this guy (the listener) to the main slot - We must then 7224 * move the guy that was listener to the TCP Pool. 7225 */ 7226 if (sctp_swap_inpcb_for_listen(inp)) { 7227 error = EADDRINUSE; 7228 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 7229 goto out; 7230 } 7231 } 7232 SOCK_LOCK(so); 7233 error = solisten_proto_check(so); 7234 if (error) { 7235 SOCK_UNLOCK(so); 7236 goto out; 7237 } 7238 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 7239 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 7240 SOCK_UNLOCK(so); 7241 solisten_proto_abort(so); 7242 error = EADDRINUSE; 7243 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 7244 goto out; 7245 } 7246 if (inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) { 7247 if ((error = sctp_inpcb_bind_locked(inp, NULL, NULL, p))) { 7248 SOCK_UNLOCK(so); 7249 solisten_proto_abort(so); 7250 /* bind error, probably perm */ 7251 goto out; 7252 } 7253 } 7254 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) == 0) { 7255 solisten_proto(so, backlog); 7256 SOCK_UNLOCK(so); 7257 inp->sctp_flags |= SCTP_PCB_FLAGS_ACCEPTING; 7258 } else { 7259 solisten_proto_abort(so); 7260 SOCK_UNLOCK(so); 7261 if (backlog > 0) { 7262 inp->sctp_flags |= SCTP_PCB_FLAGS_ACCEPTING; 7263 } else { 7264 inp->sctp_flags &= ~SCTP_PCB_FLAGS_ACCEPTING; 7265 } 7266 } 7267 out: 7268 SCTP_INP_WUNLOCK(inp); 7269 SCTP_INP_INFO_WUNLOCK(); 7270 return (error); 7271 } 7272 7273 static int sctp_defered_wakeup_cnt = 0; 7274 7275 int 7276 sctp_accept(struct socket *so, struct sockaddr **addr) 7277 { 7278 struct sctp_tcb *stcb; 7279 struct sctp_inpcb *inp; 7280 union sctp_sockstore store; 7281 #ifdef INET6 7282 int error; 7283 #endif 7284 inp = (struct sctp_inpcb *)so->so_pcb; 7285 7286 if (inp == NULL) { 7287 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7288 return (ECONNRESET); 7289 } 7290 SCTP_INP_WLOCK(inp); 7291 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 7292 SCTP_INP_WUNLOCK(inp); 7293 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 7294 return (EOPNOTSUPP); 7295 } 7296 if (so->so_state & SS_ISDISCONNECTED) { 7297 SCTP_INP_WUNLOCK(inp); 7298 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ECONNABORTED); 7299 return (ECONNABORTED); 7300 } 7301 stcb = LIST_FIRST(&inp->sctp_asoc_list); 7302 if (stcb == NULL) { 7303 SCTP_INP_WUNLOCK(inp); 7304 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7305 return (ECONNRESET); 7306 } 7307 SCTP_TCB_LOCK(stcb); 7308 store = stcb->asoc.primary_destination->ro._l_addr; 7309 SCTP_CLEAR_SUBSTATE(stcb, SCTP_STATE_IN_ACCEPT_QUEUE); 7310 /* Wake any delayed sleep action */ 7311 if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { 7312 inp->sctp_flags &= ~SCTP_PCB_FLAGS_DONT_WAKE; 7313 if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEOUTPUT) { 7314 inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEOUTPUT; 7315 SOCKBUF_LOCK(&inp->sctp_socket->so_snd); 7316 if (sowriteable(inp->sctp_socket)) { 7317 sowwakeup_locked(inp->sctp_socket); 7318 } else { 7319 SOCKBUF_UNLOCK(&inp->sctp_socket->so_snd); 7320 } 7321 } 7322 if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEINPUT) { 7323 inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEINPUT; 7324 SOCKBUF_LOCK(&inp->sctp_socket->so_rcv); 7325 if (soreadable(inp->sctp_socket)) { 7326 sctp_defered_wakeup_cnt++; 7327 sorwakeup_locked(inp->sctp_socket); 7328 } else { 7329 SOCKBUF_UNLOCK(&inp->sctp_socket->so_rcv); 7330 } 7331 } 7332 } 7333 SCTP_INP_WUNLOCK(inp); 7334 if (stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) { 7335 sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, 7336 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_19); 7337 } else { 7338 SCTP_TCB_UNLOCK(stcb); 7339 } 7340 switch (store.sa.sa_family) { 7341 #ifdef INET 7342 case AF_INET: 7343 { 7344 struct sockaddr_in *sin; 7345 7346 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 7347 if (sin == NULL) 7348 return (ENOMEM); 7349 sin->sin_family = AF_INET; 7350 sin->sin_len = sizeof(*sin); 7351 sin->sin_port = store.sin.sin_port; 7352 sin->sin_addr = store.sin.sin_addr; 7353 *addr = (struct sockaddr *)sin; 7354 break; 7355 } 7356 #endif 7357 #ifdef INET6 7358 case AF_INET6: 7359 { 7360 struct sockaddr_in6 *sin6; 7361 7362 SCTP_MALLOC_SONAME(sin6, struct sockaddr_in6 *, sizeof *sin6); 7363 if (sin6 == NULL) 7364 return (ENOMEM); 7365 sin6->sin6_family = AF_INET6; 7366 sin6->sin6_len = sizeof(*sin6); 7367 sin6->sin6_port = store.sin6.sin6_port; 7368 sin6->sin6_addr = store.sin6.sin6_addr; 7369 if ((error = sa6_recoverscope(sin6)) != 0) { 7370 SCTP_FREE_SONAME(sin6); 7371 return (error); 7372 } 7373 *addr = (struct sockaddr *)sin6; 7374 break; 7375 } 7376 #endif 7377 default: 7378 /* TSNH */ 7379 break; 7380 } 7381 return (0); 7382 } 7383 7384 #ifdef INET 7385 int 7386 sctp_ingetaddr(struct socket *so, struct sockaddr **addr) 7387 { 7388 struct sockaddr_in *sin; 7389 uint32_t vrf_id; 7390 struct sctp_inpcb *inp; 7391 struct sctp_ifa *sctp_ifa; 7392 7393 /* 7394 * Do the malloc first in case it blocks. 7395 */ 7396 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 7397 if (sin == NULL) 7398 return (ENOMEM); 7399 sin->sin_family = AF_INET; 7400 sin->sin_len = sizeof(*sin); 7401 inp = (struct sctp_inpcb *)so->so_pcb; 7402 if (!inp) { 7403 SCTP_FREE_SONAME(sin); 7404 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7405 return (ECONNRESET); 7406 } 7407 SCTP_INP_RLOCK(inp); 7408 sin->sin_port = inp->sctp_lport; 7409 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 7410 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 7411 struct sctp_tcb *stcb; 7412 struct sockaddr_in *sin_a; 7413 struct sctp_nets *net; 7414 int fnd; 7415 7416 stcb = LIST_FIRST(&inp->sctp_asoc_list); 7417 if (stcb == NULL) { 7418 goto notConn; 7419 } 7420 fnd = 0; 7421 sin_a = NULL; 7422 SCTP_TCB_LOCK(stcb); 7423 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 7424 sin_a = (struct sockaddr_in *)&net->ro._l_addr; 7425 if (sin_a == NULL) 7426 /* this will make coverity happy */ 7427 continue; 7428 7429 if (sin_a->sin_family == AF_INET) { 7430 fnd = 1; 7431 break; 7432 } 7433 } 7434 if ((!fnd) || (sin_a == NULL)) { 7435 /* punt */ 7436 SCTP_TCB_UNLOCK(stcb); 7437 goto notConn; 7438 } 7439 7440 vrf_id = inp->def_vrf_id; 7441 sctp_ifa = sctp_source_address_selection(inp, 7442 stcb, 7443 (sctp_route_t *)&net->ro, 7444 net, 0, vrf_id); 7445 if (sctp_ifa) { 7446 sin->sin_addr = sctp_ifa->address.sin.sin_addr; 7447 sctp_free_ifa(sctp_ifa); 7448 } 7449 SCTP_TCB_UNLOCK(stcb); 7450 } else { 7451 /* For the bound all case you get back 0 */ 7452 notConn: 7453 sin->sin_addr.s_addr = 0; 7454 } 7455 7456 } else { 7457 /* Take the first IPv4 address in the list */ 7458 struct sctp_laddr *laddr; 7459 int fnd = 0; 7460 7461 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 7462 if (laddr->ifa->address.sa.sa_family == AF_INET) { 7463 struct sockaddr_in *sin_a; 7464 7465 sin_a = &laddr->ifa->address.sin; 7466 sin->sin_addr = sin_a->sin_addr; 7467 fnd = 1; 7468 break; 7469 } 7470 } 7471 if (!fnd) { 7472 SCTP_FREE_SONAME(sin); 7473 SCTP_INP_RUNLOCK(inp); 7474 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 7475 return (ENOENT); 7476 } 7477 } 7478 SCTP_INP_RUNLOCK(inp); 7479 (*addr) = (struct sockaddr *)sin; 7480 return (0); 7481 } 7482 7483 int 7484 sctp_peeraddr(struct socket *so, struct sockaddr **addr) 7485 { 7486 struct sockaddr_in *sin; 7487 int fnd; 7488 struct sockaddr_in *sin_a; 7489 struct sctp_inpcb *inp; 7490 struct sctp_tcb *stcb; 7491 struct sctp_nets *net; 7492 7493 /* Do the malloc first in case it blocks. */ 7494 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 7495 if (sin == NULL) 7496 return (ENOMEM); 7497 sin->sin_family = AF_INET; 7498 sin->sin_len = sizeof(*sin); 7499 7500 inp = (struct sctp_inpcb *)so->so_pcb; 7501 if ((inp == NULL) || 7502 ((inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) == 0)) { 7503 /* UDP type and listeners will drop out here */ 7504 SCTP_FREE_SONAME(sin); 7505 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 7506 return (ENOTCONN); 7507 } 7508 SCTP_INP_RLOCK(inp); 7509 stcb = LIST_FIRST(&inp->sctp_asoc_list); 7510 if (stcb) { 7511 SCTP_TCB_LOCK(stcb); 7512 } 7513 SCTP_INP_RUNLOCK(inp); 7514 if (stcb == NULL) { 7515 SCTP_FREE_SONAME(sin); 7516 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7517 return (ECONNRESET); 7518 } 7519 fnd = 0; 7520 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 7521 sin_a = (struct sockaddr_in *)&net->ro._l_addr; 7522 if (sin_a->sin_family == AF_INET) { 7523 fnd = 1; 7524 sin->sin_port = stcb->rport; 7525 sin->sin_addr = sin_a->sin_addr; 7526 break; 7527 } 7528 } 7529 SCTP_TCB_UNLOCK(stcb); 7530 if (!fnd) { 7531 /* No IPv4 address */ 7532 SCTP_FREE_SONAME(sin); 7533 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 7534 return (ENOENT); 7535 } 7536 (*addr) = (struct sockaddr *)sin; 7537 return (0); 7538 } 7539 7540 struct pr_usrreqs sctp_usrreqs = { 7541 .pru_abort = sctp_abort, 7542 .pru_accept = sctp_accept, 7543 .pru_attach = sctp_attach, 7544 .pru_bind = sctp_bind, 7545 .pru_connect = sctp_connect, 7546 .pru_control = in_control, 7547 .pru_close = sctp_close, 7548 .pru_detach = sctp_close, 7549 .pru_sopoll = sopoll_generic, 7550 .pru_flush = sctp_flush, 7551 .pru_disconnect = sctp_disconnect, 7552 .pru_listen = sctp_listen, 7553 .pru_peeraddr = sctp_peeraddr, 7554 .pru_send = sctp_sendm, 7555 .pru_shutdown = sctp_shutdown, 7556 .pru_sockaddr = sctp_ingetaddr, 7557 .pru_sosend = sctp_sosend, 7558 .pru_soreceive = sctp_soreceive 7559 }; 7560 #endif 7561